Abrégé

A method and apparatus for mounting optical components is described. The apparatus is suitable for mounting multiple optical components and comprises a baseplate having opposing first and second surfaces. Recesses or apertures are formed within the baseplate and are located upon the first or second surfaces so as to define thermally activated optic mounting areas. Pillars are then located within the thermally activated optic mounting areas and these provide a means for attaching the optical component to the baseplate. The employment of the recesses or apertures act to significantly reduce the thermal conduction throughout the baseplate. As a result preferential heating can be provided to the one or more thermally activated optic mounting areas while maintaining the baseplate with a desired mechanical strength. The optical mounting apparatus exhibits a high thermal stability thus making the apparatus ideally suited for use within commercial optical system.

Classes IPC  ?

• B23K 1/00 - Brasage ou débrasage
• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
• G02B 7/00 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 7/182 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour prismesMontures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour miroirs pour miroirs

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus being parts of optical instruments, optical sources, optical components; optical lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; fiber optic couplers, optical separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of optics and optical systems; leak testing and detection apparatus; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for microscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; parts and fittings for all the aforesaid goods. Medical, surgical and veterinary apparatus and instruments; diagnostic, examination and monitoring equipment; medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical, and ophthalmic use; accessories for laser and laser systems for medical, surgical, veterinary and ophthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems, optics and optical systems; maintenance and repair of medical, surgical, veterinary and ophthalmic apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment and in particular lasers and laser systems, optics and optical systems; research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; research and development in the fields of microscopy and light sheet microscopy; design and development of computer software; provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; advisory and consultancy services relating to the above.

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus being parts of optical instruments, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; fiber optic couplers, optical separators and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of optics and optical systems; leak testing and detection apparatus; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for microscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; parts and fittings for all the aforesaid goods. Medical, surgical and veterinary apparatus and instruments; diagnostic, examination and monitoring equipment; medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical, and opthalmic use; accessories for laser and laser systems for medical, surgical, veterinary and ophthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems, optics and optical systems; maintenance and repair of medical, surgical, veterinary and ophthalmic apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment and in particular lasers and laser systems, optics and optical systems; research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; research and development in the fields of microscopy and light sheet microscopy; design and development of computer software; provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; advisory and consultancy services relating to the above.

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus being parts of optical instruments, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; fiber optic couplers, optical separators and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of optics and optical systems; leak testing and detection apparatus; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for microscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; parts and fittings for all the aforesaid goods. Medical, surgical and veterinary apparatus and instruments; diagnostic, examination and monitoring equipment; medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical, and opthalmic use; accessories for laser and laser systems for medical, surgical, veterinary and ophthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems, optics and optical systems; maintenance and repair of medical, surgical, veterinary and ophthalmic apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment and in particular lasers and laser systems, optics and optical systems; research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; research and development in the fields of microscopy and light sheet microscopy; design and development of computer software; provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; advisory and consultancy services relating to the above.

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus being parts of optical instruments, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; fiber optic couplers, optical separators and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of optics and optical systems; leak testing and detection apparatus; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for microscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; parts and fittings for all the aforesaid goods. Medical, surgical and veterinary apparatus and instruments; diagnostic, examination and monitoring equipment; medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical, and opthalmic use; accessories for laser and laser systems for medical, surgical, veterinary and ophthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems, optics and optical systems; maintenance and repair of medical, surgical, veterinary and ophthalmic apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment and in particular lasers and laser systems, optics and optical systems; research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; research and development in the fields of microscopy and light sheet microscopy; design and development of computer software; provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; advisory and consultancy services relating to the above.

Abrégé

A laser system and method for generating a continuous-wave, tuneable optical output field having a wavelength between 200 nm and 300 nm is disclosed. The laser system comprising: a continuous-wave, narrow-linewidth, tuneable optical field source employed to generate a first output field. The first output field is arranged to propagate thorough the first enhancement cavity frequency double to generate a first frequency doubled output field. The first frequency doubled output field is then arranged to propagate thorough a second enhancement cavity frequency double to generate a second frequency doubled output field which acts as an output field for the laser system. The laser system thus provides a frequency-agile, high power and spectrally pure light source across the UVC the region of the electromagnetic spectrum which makes it a flexible and efficient source for the sterilisation or decontamination of pathogens.

Classes IPC  ?

• A61L 2/00 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contactAccessoires à cet effet
• A61L 9/00 - Désinfection, stérilisation ou désodorisation de l'air
• G02F 1/35 - Optique non linéaire
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 5/14 - Lasers à cavité externe
• A61L 2/18 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contactAccessoires à cet effet utilisant des substances chimiques des substances liquides
• A61L 2/22 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contactAccessoires à cet effet utilisant des substances chimiques des substances à phases, p. ex. des fumées, des aérosols
• A61L 2/24 - Appareils utilisant des opérations programmées ou automatiques
• A61P 17/02 - Médicaments pour le traitement des troubles dermatologiques pour traiter les blessures, les ulcères, les brûlures, les cicatrices, les cheloïdes, ou similaires
• A61P 31/04 - Agents antibactériens
• C12N 7/00 - Virus, p. ex. bactériophagesCompositions les contenantLeur préparation ou purification
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité

Abrégé

A nonlinear crystal comprising a first end face and an opposing second end face is described. The first and second end faces are separated along an optical axis of the nonlinear crystal by a length in the range of 0.25 mm and 2 mm. Although the length of the nonlinear crystal results in a reduction in the nonlinear effects induced on an optical field propagating through the crystal it also provides for reduced deviation experienced by the generated optical field when the nonlinear crystal is rotated. Therefore, when the nonlinear crystals are incorporated within an enhancement cavity their reduced length allows for the deviation of the output field to be minimised by servo control electronics arranged to adjust a single cavity mirror. This significantly reduces the complexity, and thus expensive of the servo control electronics when compared to those employed with the prior art enhancement cavities.

Classes IPC  ?

• G02F 1/355 - Optique non linéaire caractérisée par les matériaux utilisés
• G02F 1/35 - Optique non linéaire
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet

Abrégé

A method and system for combining two or more optical fields is disclosed. A first continuous-wave high powered output field generated by a solid-state master laser is injected into a first solid state optical amplifier to produce a single output field from the laser system that exhibits a high phase-coherence with the output field of the master laser. The power of the output field equals the sum of powers of the master laser and that generated by the first optical amplifier, while exhibiting similar beams characteristics to that produced by the output field of the master laser i.e. it exhibits low noise, in a single transverse and longitudinal mode Gaussian beam, and has a single polarisation. The laser system is highly scalable in that N optical amplifiers may be located in series with the master laser to provide a single low noise, high power output field.

Classes IPC  ?

• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/16 - Matériaux solides
• H01S 3/083 - Lasers en anneau
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation

Produits et services

(1) Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; continuous-wave laser frequency mixing modules not for medical use; solid state continuous-wave laser frequency mixing modules not for medical use; electronic control apparatus for continuous-wave laser frequency mixing modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency mixing modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency mixing modules; recorded computer software for the control of continuous-wave laser frequency mixing modules. (2) Surgical and veterinary instruments, namely, continuous-wave laser frequency mixing modules; diagnostic, examination and monitoring equipment, namely, continuous-wave laser frequency mixing modules; medical imaging apparatus, namely, continuous-wave laser frequency mixing modules; continuouswave laser frequency mixing modules for veterinary, surgical, and opthalmic use; accessories for continuouswave laser frequency mixing modules for surgical, veterinary and ophthalmic use; parts and fittings for continuous-wave laser frequency mixing modules for surgical, veterinary and ophthalmic use. (1) Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; assembly, maintenance and repair of continuouswave laser frequency mixing modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency mixing modules. (2) Scientific consultancy, research and development in the field of continuous-wave laser frequency mixing modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency mixing modules; rental of scientific equipment, namely, continuous-wave laser frequency mixing modules; design and development of computer software for the control of continuouswave laser frequency mixing modules; monitoring of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules, to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency mixing modules.

Produits et services

Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; continuous-wave laser frequency mixing modules not for medical use; solid state continuous-wave laser frequency mixing modules not for medical use; electronic control apparatus for continuous-wave laser frequency mixing modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency mixing modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency mixing modules; recorded computer software for the control of continuous-wave laser frequency mixing modules Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular continuous-wave laser frequency mixing modules; assembly, maintenance and repair of continuous-wave laser frequency mixing modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency mixing modules Scientific consultancy, research and development in the field of continuous-wave laser frequency mixing modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency mixing modules; rental of scientific equipment in particular continuous-wave laser frequency mixing modules; design and development of computer software for the control of continuous-wave laser frequency mixing modules; monitoring of scientific and measuring apparatus and instruments and in particular continuous-wave laser frequency mixing modules to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency mixing modules

Produits et services

(1) Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; continuous-wave laser frequency mixing modules not for medical use; solid state continuous-wave laser frequency mixing modules not for medical use; electronic control apparatus for continuous-wave laser frequency mixing modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency mixing modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency mixing modules; recorded computer software for the control of continuous-wave laser frequency mixing modules. (2) Surgical and veterinary instruments, namely, continuous-wave laser frequency mixing modules; diagnostic, examination and monitoring equipment, namely, continuous-wave laser frequency mixing modules; medical imaging apparatus, namely, continuous-wave laser frequency mixing modules; continuouswave laser frequency mixing modules for veterinary, surgical, and opthalmic use; accessories for continuouswave laser frequency mixing modules for surgical, veterinary and ophthalmic use; parts and fittings for continuous-wave laser frequency mixing modules for surgical, veterinary and ophthalmic use. (1) Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; assembly, maintenance and repair of continuouswave laser frequency mixing modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency mixing modules. (2) Scientific consultancy, research and development in the field of continuous-wave laser frequency mixing modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency mixing modules; rental of scientific equipment, namely, continuous-wave laser frequency mixing modules; design and development of computer software for the control of continuouswave laser frequency mixing modules; monitoring of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules, to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency mixing modules.

Produits et services

(1) Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; continuous-wave laser frequency doubling modules not for medical use; solid state continuous-wave laser frequency doubling modules not for medical use; electronic control apparatus for continuous-wave laser frequency doubling modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency doubling modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency doubling modules; recorded computer software for the control of continuous-wave laser frequency doubling modules. (2) Surgical and veterinary instruments, namely, continuous-wave laser frequency doubling modules; diagnostic, examination and monitoring equipment, namely, continuous-wave laser frequency doubling modules; medical imaging apparatus, namely, continuous-wave laser frequency doubling modules; continuouswave laser frequency doubling modules for veterinary, surgical, and opthalmic use; accessories for continuouswave laser frequency doubling modules for surgical, veterinary and ophthalmic use; parts and fittings for continuous-wave laser frequency doubling modules for surgical, veterinary and ophthalmic use. (1) Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; assembly, maintenance and repair of continuouswave laser frequency doubling modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency doubling modules. (2) Scientific consultancy, research and development in the field of continuous-wave laser frequency doubling modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency doubling modules; rental of scientific equipment, namely, continuous-wave laser frequency doubling modules; design and development of computer software for the control of continuouswave laser frequency doubling modules; monitoring of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules, to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency doubling modules.

Produits et services

Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency mixing modules; continuous-wave laser frequency mixing modules not for medical use; solid state continuous-wave laser frequency mixing modules not for medical use; electronic control apparatus for continuous-wave laser frequency mixing modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency mixing modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency mixing modules; recorded computer software for the control of continuous-wave laser frequency mixing modules Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular continuous-wave laser frequency mixing modules; assembly, maintenance and repair of continuous-wave laser frequency mixing modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency mixing modules Scientific consultancy, research and development in the field of continuous-wave laser frequency mixing modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency mixing modules; rental of scientific equipment in particular continuous-wave laser frequency mixing modules; design and development of computer software for the control of continuous-wave laser frequency mixing modules; monitoring of scientific and measuring apparatus and instruments and in particular continuous-wave laser frequency mixing modules to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency mixing modules

Produits et services

Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; continuous-wave laser frequency doubling modules not for medical use; solid state continuous-wave laser frequency doubling modules not for medical use; electronic control apparatus for continuous-wave laser frequency doubling modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency doubling modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency doubling modules; recorded computer software for the control of continuous-wave laser frequency doubling modules Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular continuous-wave laser frequency doubling modules; assembly, maintenance and repair of continuous-wave laser frequency doubling modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency doubling modules Scientific consultancy, research and development in the field of continuous-wave laser frequency doubling modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency doubling modules; rental of scientific equipment in particular continuous-wave laser frequency doubling modules; design and development of computer software for the control of continuous-wave laser frequency doubling modules; monitoring of scientific and measuring apparatus and instruments and in particular continuous-wave laser frequency doubling modules to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency doubling modules

Produits et services

Scientific and measuring apparatus and instruments, namely, continuous-wave lasers and continuous-wave frequency doubling modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave lasers and continuous-wave frequency doubling modules; continuous-wave lasers and continuous-wave frequency doubling modules not for medical use; solid state continuous-wave lasers and continuous-wave frequency doubling modules not for medical use; electronic control apparatus for continuous-wave lasers and continuous-wave frequency doubling modules not for medical use; Internet enabled control apparatus for continuous-wave lasers and continuous-wave frequency doubling modules not for medical use; downloadable computer software for the control of continuous-wave lasers and continuous-wave frequency doubling modules; recorded computer software for the control of continuous-wave lasers and continuous-wave frequency doubling modules Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular continuous-wave lasers and continuous-wave frequency doubling modules; assembly, maintenance and repair of continuous-wave lasers and continuous-wave frequency doubling modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave lasers and continuous-wave frequency doubling modules Scientific consultancy, research and development in the field of continuous-wave lasers and continuous-wave frequency doubling modules; technological services, namely, consultation related to research development and design of continuous-wave lasers and continuous-wave frequency doubling modules; rental of scientific equipment in particular continuous-wave lasers and continuous-wave frequency doubling modules ; design and development of computer software for the control of continuous-wave lasers and continuous-wave frequency doubling modules; monitoring of scientific and measuring apparatus and instruments and in particular continuous-wave lasers and continuous-wave frequency doubling modules to ensure proper functioning; advisory and consultancy services relating to continuous-wave lasers and continuous-wave frequency doubling modules

Abrégé

A laser diode drive system for generating a drive current for a laser diode is described. The laser diode drive system comprises a first laser diode driver connected to the laser diode by a first cable to provide a drive current source for the laser diode. A second laser diode driver is then connected to the laser diode by a second cable to provide a low current sink for the laser diode. A feedback control loop is employed to provide a feedback signal for the second laser diode driver from to sample of an output field of the laser diode. The laser diode drive system exhibits low power consumption while being capable of creating sufficient feedback bandwidth to reduce the excess optical noise by at least an order of magnitude at 1 MHz compared with laser diode drive systems comprising just a first laser diode driver.

Classes IPC  ?

• H01S 5/068 - Stabilisation des paramètres de sortie du laser
• H01S 5/026 - Composants intégrés monolithiques, p. ex. guides d'ondes, photodétecteurs de surveillance ou dispositifs d'attaque

Produits et services

(1) Scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; Internet enabled scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; continuous-wave laser frequency doubling modules not for medical use; solid state continuous-wave laser frequency doubling modules not for medical use; electronic control apparatus for continuous-wave laser frequency doubling modules not for medical use; Internet enabled control apparatus for continuous-wave laser frequency doubling modules not for medical use; downloadable computer software for the control of continuous-wave laser frequency doubling modules; recorded computer software for the control of continuous-wave laser frequency doubling modules. (2) Surgical and veterinary instruments, namely, continuous-wave laser frequency doubling modules; diagnostic, examination and monitoring equipment, namely, continuous-wave laser frequency doubling modules; medical imaging apparatus, namely, continuous-wave laser frequency doubling modules; continuouswave laser frequency doubling modules for veterinary, surgical, and opthalmic use; accessories for continuouswave laser frequency doubling modules for surgical, veterinary and ophthalmic use; parts and fittings for continuous-wave laser frequency doubling modules for surgical, veterinary and ophthalmic use. (1) Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules; assembly, maintenance and repair of continuouswave laser frequency doubling modules; advisory and consultancy services relating to installation, assembly, maintenance, and repair of continuous-wave laser frequency doubling modules. (2) Scientific consultancy, research and development in the field of continuous-wave laser frequency doubling modules; technological services, namely, consultation related to research development and design of continuous-wave laser frequency doubling modules; rental of scientific equipment, namely, continuous-wave laser frequency doubling modules; design and development of computer software for the control of continuouswave laser frequency doubling modules; monitoring of scientific and measuring apparatus and instruments, namely, continuous-wave laser frequency doubling modules, to ensure proper functioning; advisory and consultancy services relating to continuous-wave laser frequency doubling modules.

Abrégé

A method and system for injection-locking multiple optical amplifiers is disclosed. A master laser is employed to generate a continuous-wave output field. Optical modulators then produce first and second seed optical fields from the continuous-wave output field. The first and second seed optical fields provide an input to injection lock one or more optical amplifiers, optionally at different operating frequencies. Since the first and second seed optical fields are generated from the continuous-wave output field then the output fields of the optical amplifiers exhibit a high phase-coherence with each other and with the continuous-wave output field. Employing the first and second optical fields reduces the requirement to induce large frequency shifts on a single optical field. Techniques for phase-locking the output of the injection-locked laser systems are also provided to further reduce phase noise within the systems.

Classes IPC  ?

• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/137 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de dispositifs placés dans la cavité pour la stabilisation de la fréquence
• H01S 3/16 - Matériaux solides

Abrégé

An optical frequency mixing module is described that comprises a nonlinear medium for frequency mixing the photons of one or more input optical fields to generate an output optical field; a nonlinear medium tuner for automatically phase matching the nonlinear medium to the one or more input optical fields to select the wavelength of the output optical field generated by the nonlinear medium; and a first direction correcting optic. The position of the first direction correcting optic relative to the nonlinear medium is dependent upon the selected wavelength of the output optical field and therefore ensures that the position and angle of propagation of this field remains constant and independent of its wavelength of. The optical frequency mixing modules therefore provides a means for automatically selecting the wavelength of the output field with no deviation being imparted onto the position or angle of propagation of the output field.

Classes IPC  ?

• G02F 1/35 - Optique non linéaire
• G02F 1/355 - Optique non linéaire caractérisée par les matériaux utilisés
• G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/16 - Matériaux solides

Abrégé

A laser system comprising two phase-locked solid-state laser sources is described. The laser system can be phase-locked at a predetermined offset between the operating frequencies of the lasers. This is achieved with high precision while exhibiting both low noise and high agility around the predetermined offset frequency. A pulse generator can be employed to generate a series of optical pulses from the laser system, the number, duration and shape of which can all be selected by a user. A phase-lock feedback loop provides a means for predetermined frequency chirps and phase shifts to be introduced throughout a sequence of generated pulses. The laser system can be made highly automated. The above features render the laser system ideally suited for use within coherent control two-state quantum systems, for example atomic interferometry, gyroscopes, precision gravimeters gravity gradiometers and quantum information processing and in particular the generation and control of quantum bits.

Classes IPC  ?

• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• G01J 9/02 - Mesure du déphasage des rayons lumineuxRecherche du degré de cohérenceMesure de la longueur d'onde des rayons lumineux par des méthodes interférométriques
• G01J 9/04 - Mesure du déphasage des rayons lumineuxRecherche du degré de cohérenceMesure de la longueur d'onde des rayons lumineux par battement de deux ondes de même origine mais décalées en fréquence et par mesure du déphasage de l'onde basse fréquence obtenue
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/131 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande du milieu actif, p. ex. par commande des procédés ou des appareils pour l'excitation
• H03L 7/099 - Détails de la boucle verrouillée en phase concernant principalement l'oscillateur commandé de la boucle
• H01S 3/16 - Matériaux solides
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés

Abrégé

An electro-optic modulator (EOM) for altering an optical path length of an optical field is described. The EOM comprises first and second Brewster-angle cut nonlinear crystals having a first and second optical axis. The optical axes are orientated relative to each other such that when an optical field propagates through the nonlinear crystals it experiences no overall deviation. The nonlinear crystals are also arranged to be opposite handed relative to the optical field. The EOM has the advantage that its optical losses are lower when compared with those EOMs known in the art. In addition, the EOM can be inserted into, or removed from, an optical system without any deviation being imparted onto the optical field. This reduces the levels of skill and effort required on the part of an operator. The described method and apparatus for mounting the nonlinear crystals also suppresses problematic piezo-electric resonances within the nonlinear crystals.

Classes IPC  ?

• H01S 3/108 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité utilisant des dispositifs optiques non linéaires, p. ex. produisant une diffusion par effet Brillouin ou Raman
• H01S 3/08022 - Modes longitudinaux
• H01S 3/08036 - Émission monomode utilisant des éléments dispersifs, polarisants ou biréfringents dans la cavité
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité
• H01S 3/107 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité utilisant des dispositifs électro-optiques, p. ex. produisant un effet Pockels ou Kerr
• H01S 3/16 - Matériaux solides
• H01S 3/0941 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente produite par un laser à semi-conducteur, p. ex. par une diode laser

Abrégé

A nonlinear crystal comprising a first curved face and an opposing second curved face is described. The first and second curved faces are arranged to provide the nonlinear crystal with rotational symmetry about at least one axis of the nonlinear crystal. The nonlinear crystal allows for frequency tuning of a generated optical field that is generated by propagating a fundamental optical field through the nonlinear crystal by rotation of the nonlinear crystal about an axis of rotation without any significant, or minimal, deviation being introduced to the generated optical field. These nonlinear crystals can therefore be incorporated into an external cavity frequency doubler or mixer without any need for the employment of optical compensation optics or servo control electronics to automatically realign the cavity mirrors.

Classes IPC  ?

• G02F 1/35 - Optique non linéaire
• G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux
• C30B 29/66 - Cristaux de forme géométrique complexe, p. ex. tubes, cylindres

Abrégé

A method and system for combining two or more optical fields is disclosed. A first continuous-wave high powered output field generated by a solid-state master laser is injected into a first solid state optical amplifier to produce a single output field from the laser system that exhibits a high phase-coherence with the output field of the master laser. The power of the output field equals the sum of powers of the master laser and that generated by the first optical amplifier, while exhibiting similar beams characteristics to that produced by the output field of the master laser i.e. it exhibits low noise, in a single transverse and longitudinal mode Gaussian beam, and has a single polarisation. The laser system is highly scalable in that N optical amplifiers may be located in series with the master laser to provide a single low noise, high power output field.

Classes IPC  ?

• H01S 3/16 - Matériaux solides
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/083 - Lasers en anneau
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/0941 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente produite par un laser à semi-conducteur, p. ex. par une diode laser
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude

Abrégé

A method and system for combining two or more optical fields is disclosed. A first continuous-wave high powered output field generated by a solid-state master laser is injected into a first solid state optical amplifier to produce a single output field from the laser system that exhibits a high phase-coherence with the output field of the master laser. The power of the output field equals the sum of powers of the master laser and that generated by the first optical amplifier, while exhibiting similar beams characteristics to that produced by the output field of the master laser i.e. it exhibits low noise, in a single transverse and longitudinal mode Gaussian beam, and has a single polarisation. The laser system is highly scalable in that N optical amplifiers may be located in series with the master laser to provide a single low noise, high power output field.

Classes IPC  ?

• H01S 3/16 - Matériaux solides
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/0941 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente produite par un laser à semi-conducteur, p. ex. par une diode laser
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 3/083 - Lasers en anneau
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente

Abrégé

A method and apparatus for passively synchronising the repetition rate of two or more mode-locked lasers is described. The method and apparatus involve forming a first synchronising optical field (6) by separating a portion of an output field of a first mode-locked laser (2) and thereafter redirecting this synchronising optical field to form a driving signal for a second mode-locked laser (3). Employing these techniques results in systems with timing jitter of less than 1 fs. The method is independent of the wavelength and polarisation at which the mode-locked lasers operate and so is not limited to use with any particular type of mode-locked laser. Since the technique is passive it does not require the employment of electronics, variable time delay paths or additional non-linear optical crystals. Therefore, the method and apparatus are significantly less complex than those known in the art and are not power limited by additional non-linear optical processes. Part of the output (7) of the first mode-locked laser (2) is redirected via a beam splitter (9) and beam steering mirrors (11,12) and a half-wave plate (15) to a polariser (13) in the beam line of the second mode-locked laser (3). The seeding and synchronising signal from the first mode-locked laser (2) may be perpendicularly polarized with respect to the polarization of the second mode-locked laser (3) and may have a different wavelength.

Classes IPC  ?

• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/16 - Matériaux solides
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants

Abrégé

A laser diode drive system for generating a drive current for a laser diode is described. The laser diode drive system comprises a first laser diode driver connected to the laser diode by a first cable to provide a drive current source for the laser diode. A second laser diode driver is then connected to the laser diode by a second cable to provide a low current sink for the laser diode. A feedback control loop is employed to provide a feedback signal for the second laser diode driver from to sample of an output field of the laser diode. The laser diode drive system exhibits low power consumption while being capable of creating sufficient feedback bandwidth to reduce the excess optical noise by at least an order of magnitude at 1 MHz compared with laser diode drive systems comprising just a first laser diode driver.

Classes IPC  ?

• H01S 5/042 - Excitation électrique
• H01S 5/068 - Stabilisation des paramètres de sortie du laser
• H01S 5/0683 - Stabilisation des paramètres de sortie du laser en surveillant les paramètres optiques de sortie

Abrégé

A laser diode drive system for generating a drive current for a laser diode is described. The laser diode drive system comprises a first laser diode driver connected to the laser diode by a first cable to provide a drive current source for the laser diode. A second laser diode driver is then connected to the laser diode by a second cable to provide a low current sink for the laser diode. A feedback control loop is employed to provide a feedback signal for the second laser diode driver from to sample of an output field of the laser diode. The laser diode drive system exhibits low power consumption while being capable of creating sufficient feedback bandwidth to reduce the excess optical noise by at least an order of magnitude at 1 MHz compared with laser diode drive systems comprising just a first laser diode driver.

Classes IPC  ?

• H01S 5/042 - Excitation électrique
• H01S 5/068 - Stabilisation des paramètres de sortie du laser
• H01S 5/0683 - Stabilisation des paramètres de sortie du laser en surveillant les paramètres optiques de sortie

Abrégé

A method and system for injection-locking multiple optical amplifiers is disclosed. A master laser is employed to generate a continuous-wave output field. Optical modulators then produce first and second seed optical fields from the continuous-wave output field. The first and second seed optical fields provide an input to injection lock one or more optical amplifiers, optionally at different operating frequencies. Since the first and second seed optical fields are generated from the continuous-wave output field then the output fields of the optical amplifiers exhibit a high phase-coherence with each other and with the continuous-wave output field. Employing the first and second optical fields reduces the requirement to induce large frequency shifts on a single optical field. Techniques for phase-locking the output of the injection-locked laser systems are also provided to further reduce phase noise within the systems.

Classes IPC  ?

• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/16 - Matériaux solides
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet

Abrégé

A method and system for injection-locking multiple optical amplifiers is disclosed. A master laser is employed to generate a continuous-wave output field. Optical modulators then produce first and second seed optical fields from the continuous-wave output field. The first and second seed optical fields provide an input to injection lock one or more optical amplifiers, optionally at different operating frequencies. Since the first and second seed optical fields are generated from the continuous-wave output field then the output fields of the optical amplifiers exhibit a high phase-coherence with each other and with the continuous-wave output field. Employing the first and second optical fields reduces the requirement to induce large frequency shifts on a single optical field. Techniques for phase-locking the output of the injection-locked laser systems are also provided to further reduce phase noise within the systems.

Classes IPC  ?

• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/16 - Matériaux solides

Abrégé

A laser system comprising two phase-locked solid-state laser sources is described. The laser system can be phase-locked at a predetermined offset between the operating frequencies of the lasers. This is achieved with high precision while exhibiting both low noise and high agility around the predetermined offset frequency. A pulse generator can be employed to generate a series of optical pulses from the laser system, the number, duration and shape of which can all be selected by a user. A phase-lock feedback loop provides a means for predetermined frequency chirps and phase shifts to be introduced throughout a sequence of generated pulses. The laser system can be made highly automated. The above features render the laser system ideally suited for use within coherent control two- state quantum systems, for example atomic interferometry, gyroscopes, precision gravimeters gravity gradiometers and quantum information processing and in particular the generation and control of quantum bits.

Classes IPC  ?

• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• G01J 9/00 - Mesure du déphasage des rayons lumineuxRecherche du degré de cohérenceMesure de la longueur d'onde des rayons lumineux
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/131 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande du milieu actif, p. ex. par commande des procédés ou des appareils pour l'excitation
• H01S 3/16 - Matériaux solides

Abrégé

A laser system comprising two phase-locked solid-state laser sources is described. The laser system can be phase-locked at a predetermined offset between the operating frequencies of the lasers. This is achieved with high precision while exhibiting both low noise and high agility around the predetermined offset frequency. A pulse generator can be employed to generate a series of optical pulses from the laser system, the number, duration and shape of which can all be selected by a user. A phase-lock feedback loop provides a means for predetermined frequency chirps and phase shifts to be introduced throughout a sequence of generated pulses. The laser system can be made highly automated. The above features render the laser system ideally suited for use within coherent control two- state quantum systems, for example atomic interferometry, gyroscopes, precision gravimeters gravity gradiometers and quantum information processing and in particular the generation and control of quantum bits.

Classes IPC  ?

• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• G01J 9/00 - Mesure du déphasage des rayons lumineuxRecherche du degré de cohérenceMesure de la longueur d'onde des rayons lumineux
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/131 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande du milieu actif, p. ex. par commande des procédés ou des appareils pour l'excitation
• H01S 3/16 - Matériaux solides

Abrégé

An electro-optic modulator (EOM) for altering an optical path length of an optical field is described. The EOM comprises first and second Brewster-angle cut nonlinear crystals having a first and second optical axis. The optical axes are orientated relative to each other such that when an optical field propagates through the nonlinear crystals it experiences no overall deviation. The nonlinear crystals are also arranged to be opposite handed relative to the optical field. The EOM has the advantage that its optical losses are lower when compared with those EOMs known in the art. In addition, the EOM can be inserted into, or removed from, an optical system without any deviation being imparted onto the optical field. This reduces the levels of skill and effort required on the part of an operator. The described method and apparatus for mounting the nonlinear crystals also suppresses problematic piezo-electric resonances within the nonlinear crystals.

Classes IPC  ?

• G02F 1/03 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p. ex. commutation, ouverture de porte ou modulationOptique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur des céramiques ou des cristaux électro-optiques, p. ex. produisant un effet Pockels ou un effet Kerr
• G02F 1/355 - Optique non linéaire caractérisée par les matériaux utilisés
• H01S 3/107 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité utilisant des dispositifs électro-optiques, p. ex. produisant un effet Pockels ou Kerr

Abrégé

An electro-optic modulator (EOM) for altering an optical path length of an optical field is described. The EOM comprises first and second Brewster-angle cut nonlinear crystals having a first and second optical axis. The optical axes are orientated relative to each other such that when an optical field propagates through the nonlinear crystals it experiences no overall deviation. The nonlinear crystals are also arranged to be opposite handed relative to the optical field. The EOM has the advantage that its optical losses are lower when compared with those EOMs known in the art. In addition, the EOM can be inserted into, or removed from, an optical system without any deviation being imparted onto the optical field. This reduces the levels of skill and effort required on the part of an operator. The described method and apparatus for mounting the nonlinear crystals also suppresses problematic piezo-electric resonances within the nonlinear crystals.

Classes IPC  ?

• G02F 1/03 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p. ex. commutation, ouverture de porte ou modulationOptique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur des céramiques ou des cristaux électro-optiques, p. ex. produisant un effet Pockels ou un effet Kerr
• H01S 3/107 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité utilisant des dispositifs électro-optiques, p. ex. produisant un effet Pockels ou Kerr
• G02B 7/00 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques

Abrégé

A nonlinear crystal comprising a first end face and an opposing second end face is described. The first and second end faces are separated along an optical axis of the nonlinear crystal by a length in the range of 0.25 mm and 2 mm. Although the length of the nonlinear crystal results in a reduction in the nonlinear effects induced on an optical field propagating through the crystal it also provides for reduced deviation experienced by the generated optical field when the nonlinear crystal is rotated. Therefore, when the nonlinear crystals are incorporated within an enhancement cavity their reduced length allows for the deviation of the output field to be minimised by servo control electronics arranged to adjust a single cavity mirror. This significantly reduces the complexity, and thus expensive of the servo control electronics when compared to those employed with the prior art enhancement cavities.

Classes IPC  ?

• G02F 1/35 - Optique non linéaire
• G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/109 - Multiplication de la fréquence, p. ex. génération d'harmoniques

Abrégé

A nonlinear crystal comprising a first end face and an opposing second end face is described. The first and second end faces are separated along an optical axis of the nonlinear crystal by a length in the range of 0.25 mm and 2 mm. Although the length of the nonlinear crystal results in a reduction in the nonlinear effects induced on an optical field propagating through the crystal it also provides for reduced deviation experienced by the generated optical field when the nonlinear crystal is rotated. Therefore, when the nonlinear crystals are incorporated within an enhancement cavity their reduced length allows for the deviation of the output field to be minimised by servo control electronics arranged to adjust a single cavity mirror. This significantly reduces the complexity, and thus expensive of the servo control electronics when compared to those employed with the prior art enhancement cavities.

Classes IPC  ?

• G02F 1/35 - Optique non linéaire
• G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux
• H01S 3/109 - Multiplication de la fréquence, p. ex. génération d'harmoniques
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet

Abrégé

A nonlinear crystal comprising a first curved face and an opposing second curved face is described. The first and second curved faces are arranged to provide the nonlinear crystal with rotational symmetry about at least one axis of the nonlinear crystal. The nonlinear crystal allows for frequency tuning of a generated optical field that is generated by propagating a fundamental optical field through the nonlinear crystal by rotation of the nonlinear crystal about an axis of rotation without any significant, or minimal, deviation being introduced to the generated optical field. These nonlinear crystals can therefore be incorporated into an external cavity frequency doubler or mixer without any need for the employment of optical compensation optics or servo control electronics to automatically realign the cavity mirrors

Classes IPC  ?

• G02F 1/35 - Optique non linéaire
• G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux

Abrégé

A nonlinear crystal comprising a first curved face and an opposing second curved face is described. The first and second curved faces are arranged to provide the nonlinear crystal with rotational symmetry about at least one axis of the nonlinear crystal. The nonlinear crystal allows for frequency tuning of a generated optical field that is generated by propagating a fundamental optical field through the nonlinear crystal by rotation of the nonlinear crystal about an axis of rotation without any significant, or minimal, deviation being introduced to the generated optical field. These nonlinear crystals can therefore be incorporated into an external cavity frequency doubler or mixer without any need for the employment of optical compensation optics or servo control electronics to automatically realign the cavity mirrors

Classes IPC  ?

• G02F 1/35 - Optique non linéaire
• G02F 1/37 - Optique non linéaire pour la génération de l'harmonique deux

Abrégé

A purging system for a laser system is described. The purging system comprising a cartridge that houses a desiccant material and which is configured for removable mounting with an enclosure of the laser system. The cartridge comprising a first mesh layer that provides a means for a fluid to flow to the desiccant material housed within the cartridge. The purging system further comprises a membrane located over the first mesh layer. The purging system therefore provides a mean for passively purging the laser system and so its operation does not require the employment of a pump. The employment of the removable cartridge also has the advantage that the downtimes of the laser system with which it is deployed are reduced during periods when it is required to dry or replace the desiccant material.

Classes IPC  ?

• H01S 3/02 - Détails de structure
• H01S 3/109 - Multiplication de la fréquence, p. ex. génération d'harmoniques
• H01S 3/16 - Matériaux solides
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
• H01S 3/03 - Détails de structure des tubes laser à décharge dans le gaz

Abrégé

A method and apparatus for passively synchronising the repetition rate of two or more mode-locked lasers is described. The method and apparatus involve forming a first synchronising optical field (6) by separating a portion of an output field of a first mode-locked laser (2) and thereafter redirecting this synchronising optical field to form a driving signal for a second mode-locked laser (3). Employing these techniques results in systems with timing jitter of less than 1 fs. The method is independent of the wavelength and polarisation at which the mode-locked lasers operate and so is not limited to use with any particular type of mode-locked laser. Since the technique is passive it does not require the employment of electronics, variable time delay paths or additional non-linear optical crystals. Therefore, the method and apparatus are significantly less complex than those known in the art and are not power limited by additional non-linear optical processes. Part of the output (7) of the first mode-locked laser (2) is redirected via a beam splitter (9) and beam steering mirrors (11,12) and a half-wave plate (15) to a polariser (13) in the the beam line of the second mode-locked laser (3). The seeding and synchronising signal from the first mode-locked laser (2) may be perpendicularly polarized with respect to the polarization of the second mode-locked laser (3) and may have a different wavelength.

Classes IPC  ?

• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/16 - Matériaux solides
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés

Abrégé

A method and apparatus for passively synchronising the repetition rate of two or more mode-locked lasers is described. The method and apparatus involve forming a first synchronising optical field (6) by separating a portion of an output field of a first mode-locked laser (2) and thereafter redirecting this synchronising optical field to form a driving signal for a second mode-locked laser (3). Employing these techniques results in systems with timing jitter of less than 1 fs. The method is independent of the wavelength and polarisation at which the mode-locked lasers operate and so is not limited to use with any particular type of mode-locked laser. Since the technique is passive it does not require the employment of electronics, variable time delay paths or additional non-linear optical crystals. Therefore, the method and apparatus are significantly less complex than those known in the art and are not power limited by additional non-linear optical processes. Part of the output (7) of the first mode-locked laser (2) is redirected via a beam splitter (9) and beam steering mirrors (11,12) and a half-wave plate (15) to a polariser (13) in the the beam line of the second mode-locked laser (3). The seeding and synchronising signal from the first mode-locked laser (2) may be perpendicularly polarized with respect to the polarization of the second mode-locked laser (3) and may have a different wavelength.

Classes IPC  ?

• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 3/16 - Matériaux solides
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés

Abrégé

An electro-optic detector for detecting terahertz radiation comprising an electro-optic material through which the terahertz radiation passes; a probe for transmitting probe radiation into the electro-optic material; an optical arrangement for causing the probe radiation to make multiple passes through the electro-optic material and a radiation detector for detecting the probe radiation after the multiple passes are made.

Classes IPC  ?

• G01J 3/42 - Spectrométrie d'absorptionSpectrométrie à double faisceauSpectrométrie par scintillementSpectrométrie par réflexion
• G01J 1/42 - Photométrie, p. ex. posemètres photographiques en utilisant des détecteurs électriques de radiations
• G01J 1/04 - Pièces optiques ou mécaniques
• G01J 3/02 - SpectrométrieSpectrophotométrieMonochromateursMesure de la couleur Parties constitutives
• G02B 5/08 - Miroirs

Abrégé

An optical frequency mixing module is described that comprises a nonlinear medium for frequency mixing the photons of one or more input optical fields to generate an output optical field; a nonlinear medium tuner for automatically phase matching the nonlinear medium to the one or more input optical fields to select the wavelength of the output optical field generated by the nonlinear medium; and a first direction correcting optic. The position of the first direction correcting optic relative to the nonlinear medium is dependent upon the selected wavelength of the output optical field and therefore ensures that the position and angle of propagation of this field remains constant and independent of its wavelength of. The optical frequency mixing modules therefore provides a means for automatically selecting the wavelength of the output field with no deviation being imparted onto the position or angle of propagation of the output field.

Classes IPC  ?

• G02F 1/35 - Optique non linéaire

Abrégé

An optical frequency mixing module is described that comprises a nonlinear medium for frequency mixing the photons of one or more input optical fields to generate an output optical field; a nonlinear medium tuner for automatically phase matching the nonlinear medium to the one or more input optical fields to select the wavelength of the output optical field generated by the nonlinear medium; and a first direction correcting optic. The position of the first direction correcting optic relative to the nonlinear medium is dependent upon the selected wavelength of the output optical field and therefore ensures that the position and angle of propagation of this field remains constant and independent of its wavelength of. The optical frequency mixing modules therefore provides a means for automatically selecting the wavelength of the output field with no deviation being imparted onto the position or angle of propagation of the output field.

Classes IPC  ?

• G02F 1/35 - Optique non linéaire

Produits et services

Scientific and measuring apparatus and instruments; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for microscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical components; lenses (optical); optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarizers; electro-optical couplers, splitters, polarizers and modulators; prisms and optical tilters; optical beam deflectors, optical beam detectors; parts and fittings for all the aforesaid goods. Medical, surgical and veterinary apparatus and instruments; diagnostic, examination and monitoring equipment; medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical, and ophthalmic use; accessories for laser and laser systems for medical, surgical, veterinary and ophthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems, optics and optical systems; maintenance and repair of medical, surgical, veterinary and ophthalmic apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment; research and development in the fields of microscopy and light sheet microscopy; research and development in the fields of lasers; research, development and design of microscopes, laser systems, optics and optical systems, and new products within these fields; provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; advisory and consultancy services relating to the above; medical, biological and clinical research. Medical services; medical and veterinary testing; medical and veterinary laboratory services; medical and veterinary diagnostic services; surgical diagnostic services; medical imaging; rental of medical and surgical equipment; rental of equipment for medical and veterinary purposes; consultancy and advisory services relating to the above.

Abrégé

A passively mode-locking laser and corresponding method is described. The laser comprises a resonator (2) terminated by first (3) and second (4) mirrors and folded by a third (5) and fourth (6) mirror. The third mirror comprises a reflector (14) surmounted by a multilayer semiconductor gain medium (15) including at least one quantum well layer while the second mirror (4) comprises an intensity saturable mirror. The resonator is configured to provide a cross sectional area of an intra cavity resonating field on the intensity saturable mirror that is greater than or equal to a cross sectional area of the intra cavity resonating field on the multilayer semiconductor gain medium. This arrangement provides a passively mode-locking laser that exhibits increased stability when compared to those systems known in the art.

Classes IPC  ?

• H01S 3/06 - Structure ou forme du milieu actif
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/14 - Lasers à cavité externe
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/343 - Structure ou forme de la région activeMatériaux pour la région active comprenant des structures à puits quantiques ou à superréseaux, p. ex. lasers à puits quantique unique [SQW], lasers à plusieurs puits quantiques [MQW] ou lasers à hétérostructure de confinement séparée ayant un indice progressif [GRINSCH] dans des composés AIIIBV, p. ex. laser AlGaAs

Produits et services

Lasers and laser systems not for medical use, namely, diode pumped solid state lasers; control apparatus for diode pumped solid state lasers, not for medical use; Internet enabled control apparatus for diode pumped solid state lasers, not for medical use; computer software for the control of non-medical use diode pumped solid state lasers Lasers and laser systems namely, diode pumped solid state lasers for medical, veterinary, surgical, and ophthalmic use; structural parts for diode pumped solid state lasers for medical, surgical, veterinary and ophthalmic use Installation, assembly, maintenance, and repair of lasers and laser systems, namely, diode pumped solid state lasers; advisory and consultancy services relating to the above Scientific consultancy, research and development in the field of diode pumped solid state lasers; scientific testing services in the field of diode pumped solid state lasers; scientific laboratory services; rental of scientific equipment and in particular lasers and laser systems, optics and optical systems; research, development and design services in the field of diode pumped solid state lasers, lasers and laser systems, optics and optical systems, and new products within these fields; calibration services relating to medical apparatus

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, recticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods;  computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of optics and optical systems; leak testing and detection apparatus; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for miscrooscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; parts and fittings for all the aforesaid goods. Medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical, and opthalmic use; accessories for laser and laser systems for medical, surgical, veterinary and ophthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems, optics and optical systems; maintenance and repair of medical, surgical, veterinary and ophthalmic apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment and in particular lasers and laser systems, optics and optical systems; research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; research and development in the fields of microscopy and light sheet microscopy;  provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; advisory and consultancy services relating to the above.

Abrégé

A purging system for a laser system is described. The purging system comprising a cartridge that houses a desiccant material and which is configured for removable mounting with an enclosure of the laser system. The cartridge comprising a first mesh layer that provides a means for a fluid to flow to the desiccant material housed within the cartridge. The purging system further comprises a membrane located over the first mesh layer. The purging system therefore provides a mean for passively purging the laser system and so its operation does not require the employment of a pump. The employment of the removable cartridge also has the advantage that the downtimes of the laser system with which it is deployed are reduced during periods when it is required to dry or replace the desiccant material.

Classes IPC  ?

• H01S 3/02 - Détails de structure
• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B65D 81/26 - Adaptations pour empêcher la détérioration ou l'altération du contenuApplications au réceptacle ou au matériau d'emballage d'agents de conservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux avec dispositifs pour évacuer ou absorber les fluides, p. ex. s'écoulant du contenuEmploi de produits empêchant la corrosion ou de dessiccateurs
• H01S 3/036 - Moyens pour obtenir ou maintenir la pression désirée du gaz à l'intérieur du tube, p. ex. au moyen d'un getter ou d'une réactivationMoyens pour faire circuler le gaz, p. ex. pour uniformiser la pression à l'intérieur du tube

Abrégé

A purging system for a laser system is described. The purging system comprising a cartridge that houses a desiccant material and which is configured for removable mounting with an enclosure of the laser system. The cartridge comprising a first mesh layer that provides a means for a fluid to flow to the desiccant material housed within the cartridge. The purging system further comprises a membrane located over the first mesh layer. The purging system therefore provides a mean for passively purging the laser system and so its operation does not require the employment of a pump. The employment of the removable cartridge also has the advantage that the downtimes of the laser system with which it is deployed are reduced during periods when it is required to dry or replace the desiccant material.

Classes IPC  ?

• H01S 3/034 - Dispositifs optiques placés à l'intérieur du tube ou en faisant partie, p. ex. fenêtres, miroirs
• H01S 3/02 - Détails de structure
• B65D 81/26 - Adaptations pour empêcher la détérioration ou l'altération du contenuApplications au réceptacle ou au matériau d'emballage d'agents de conservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux avec dispositifs pour évacuer ou absorber les fluides, p. ex. s'écoulant du contenuEmploi de produits empêchant la corrosion ou de dessiccateurs
• H01S 3/036 - Moyens pour obtenir ou maintenir la pression désirée du gaz à l'intérieur du tube, p. ex. au moyen d'un getter ou d'une réactivationMoyens pour faire circuler le gaz, p. ex. pour uniformiser la pression à l'intérieur du tube
• G02F 1/35 - Optique non linéaire
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/109 - Multiplication de la fréquence, p. ex. génération d'harmoniques
• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 53/00 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols
• H01S 3/16 - Matériaux solides
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

An optical amplifier is described. The optical amplifier (1) comprises a semiconductor disk gain medium (2) including at least one quantum well layer (9) and a pump field source (17) for generating an optical pump field (3) for the semiconductor disk gain medium. The optical amplifier acts to generate an output optical field (5) from an input optical field (4) received by the optical amplifier and arranged to be incident upon the semiconductor disk gain medium. Employing a semiconductor disk gain medium within the optical amplifier allows it to be optically pumped and thus provided for increased stability and beam quality of the output optical field while allowing for the design of optical amplifiers which can operate across a broad range of wavelengths. The optical amplifier may be employed with continuous wave or pulsed input optical fields.

Classes IPC  ?

• H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/50 - Structures amplificatrices non prévues dans les groupes
• H01S 5/187 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités horizontales, p. ex. lasers à émission de surface à cavité horizontale [HCSEL] à réflexion de Bragg
• H01S 5/34 - Structure ou forme de la région activeMatériaux pour la région active comprenant des structures à puits quantiques ou à superréseaux, p. ex. lasers à puits quantique unique [SQW], lasers à plusieurs puits quantiques [MQW] ou lasers à hétérostructure de confinement séparée ayant un indice progressif [GRINSCH]

Produits et services

(1) Scientific instruments, namely airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, and multiphoton light sheet fluorescence imaging systems, not relating to or being for use in the provision of opticians' services or ophthalmological services and not being ophthalmic instruments or goods for the treatment or surgery of the eyes; scientific instruments, namely apparatus for airy beam light sheet microscopes, for single photon light sheet fluorescence imaging systems, and for multiphoton light sheet fluorescence imaging systems, not relating to or being for use in the provision of opticians' services or ophthalmological services and not being ophthalmic instruments or goods for the treatment or surgery of the eyes; scientific instruments, namely lasers and laser systems for airy beam light sheet microscopes, for single photon light sheet fluorescence imaging systems, and for multiphoton light sheet fluorescence imaging systems, not relating to or being for use in the provision of opticians' services or ophthalmological services and not being ophthalmic instruments or goods for the treatment or surgery of the eyes; scientific instruments, namely control apparatus for airy beam light sheet microscopes, for single photon light sheet fluorescence imaging systems, and for multiphoton light sheet fluorescence imaging systems, not relating to or being for use in the provision of opticians' services or ophthalmological services and not being ophthalmic instruments or goods for the treatment or surgery of the eyes (2) Airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, and multiphoton light sheet fluorescence imaging systems, for medical, veterinary and surgical use, not relating to or being for use in the provision of opticians' services or ophthalmological services and not being ophthalmic instruments or goods for the treatment or surgery of the eyes (1) Installation, assembly, maintenance, and repair of scientific instruments namely airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, microscopes (2) Scientific consultancy, research and development in the field of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; scientific testing services in the field of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; rental of scientific equipment and in particular airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; research, development and design services in the field of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems (3) Laboratory research services and testing for medical, veterinary, surgical, and ophthalmic purposes using airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, not being or relating to opticians services, ophthalmology or eye surgery including eye laser treatment or being services for the diagnosis or treatment of the eyes; medical, biological and clinical research using airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, not being or relating to opticians services, ophthalmology or eye surgery including eye laser treatment or being services for the diagnosis or treatment of the eyes; rental of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems for laboratory services and testing, not being or relating to opticians services, ophthalmology or eye surgery including eye laser treatment or being services for the diagnosis or treatment of the eyes

Produits et services

Scientific instruments namely, airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, microscopes; scientific instruments, namely, apparatus for airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, microscopes; scientific instruments, namely, lasers and laser systems for airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, microscopes; scientific instruments, namely, control apparatus for airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, microscopes; parts and fittings for all the aforesaid goods; none of the abovementioned goods being for medical use and not being related to or for use in measuring the position or orientation of target objects or for the provision of opticians' services or ophthalmological services or being ophthalmic instruments or goods for the treatment or surgery of the eyes Installation, assembly, maintenance, and repair of scientific instruments namely airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems, microscopes; advisory and consultancy services relating to the above Scientific consultancy, research and development in the field of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; scientific testing services in the field airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; rental of scientific equipment and in particular airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; research, development and design services in the field of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems Medical testing for diagnostic or treatment purposes using airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems; rental of airy beam light sheet microscopes, single photon light sheet fluorescence imaging systems, multiphoton light sheet fluorescence imaging systems for medical testing for diagnostic purposes; none of the abovementioned services being or relating to opticians services, ophthalmology or eye surgery including eye laser treatment or being services for the diagnosis or treatment of the eyes

Abrégé

A self mode locking laser and corresponding method is described. The laser comprises a resonator (2) terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a reflector (15) surmounted by a multilayer semiconductor gain medium (16) that includes at least one quantum well layer and an optical Kerr lensing layer (20). A perturbator is also included that provides a means to induce a perturbation on an intensity of one or more cavity modes of the resonator. The pertubator is employed to induce a small perturbation on the intensity of the cavity modes of the resonator which is sufficient for the optical Kerr lensing layer to induce mode locking on the output field. The second mirror (4) comprises an intensity saturable mirror that provides a means for reducing the pulse widths of the generated output field e.g. to around 100 fs. A diamond heat spreader (20) is attached to the top of the half VCSEL gain medium (13) for improved cooling as well as representing the Kerr medium. Further folding mirrors (6-8) may be inserted to adjust the degree of astigmatism to be compensated for by the Kerr effect used for mode-locking.

Classes IPC  ?

• H01S 3/098 - Accrochage de modes; Suppression de modes
• H01S 5/14 - Lasers à cavité externe
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/125 - Lasers à réflecteurs de Bragg répartis [lasers DBR]
• H01S 5/34 - Structure ou forme de la région activeMatériaux pour la région active comprenant des structures à puits quantiques ou à superréseaux, p. ex. lasers à puits quantique unique [SQW], lasers à plusieurs puits quantiques [MQW] ou lasers à hétérostructure de confinement séparée ayant un indice progressif [GRINSCH]
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/0941 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente produite par un laser à semi-conducteur, p. ex. par une diode laser
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]

Abrégé

An electro-optic detector for detecting terahertz radiation comprising an electro-optic material through which the terahertz radiation passes; a probe for transmitting probe radiation into the electro-optic material; an optical arrangement for causing the probe radiation to make multiple passes through the electro-optic material and a radiation detector for detecting the probe radiation after the multiple passes are made.

Classes IPC  ?

• G01J 1/42 - Photométrie, p. ex. posemètres photographiques en utilisant des détecteurs électriques de radiations

Abrégé

2 value of the optical field to be determined.

Classes IPC  ?

• G01J 1/00 - Photométrie, p. ex. posemètres photographiques
• G01J 1/42 - Photométrie, p. ex. posemètres photographiques en utilisant des détecteurs électriques de radiations
• G01J 1/04 - Pièces optiques ou mécaniques

Produits et services

Scientific and measuring apparatus and instruments; microscopes; light sheet microscopes; biological microscopes; microscopes for medical use; apparatus and instruments for microscopy; apparatus and instruments for light sheet fluorescence microscopy; apparatus and instruments for light sheet imaging; microscope condensers; microscope illuminating devices; reflectors and prisms for microscopes; microscope lenses and reflectors; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; objectives, recticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all the aforesaid goods; none of the abovementioned goods relating to or being for use in the provision of opticians’ services or ophthalmological services or being ophthalmic instruments or goods for the treatment or surgery of the eyes. Medical, surgical and veterinary apparatus and instruments; diagnostic, examination and monitoring equipment; medical imaging apparatus; lasers and laser systems for medical, veterinary, surgical use; accessories for laser and laser systems for medical, surgical, veterinary use; parts and fittings for all the aforesaid goods; none of the abovementioned goods relating to or being for use in the provision of opticians’ services or ophthalmological services or being ophthalmic instruments or goods for the treatment or surgery of the eyes. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular microscopes, light sheet microscopes, lasers, laser systems; maintenance and repair of medical, surgical, veterinary apparatus and instruments; assembly, maintenance and repair of laboratory equipment; advisory and consultancy services relating to the above. Scientific consultancy, research and development; scientific testing services; technological services; scientific laboratory services; rental of scientific equipment; research and development in the fields of microscopy and light sheet microscopy; research and development in the fields of lasers; research, development and design of microscopes, laser systems, optics and optical systems, and new products within these fields;  provision of scientific information; biological research and analysis; biological laboratory services; calibration services relating to medical apparatus; design and development of medical, veterinary, surgical and biological diagnostic and screening apparatus and instruments; advisory and consultancy services relating to the above. Medical services; medical and veterinary testing; medical and veterinary laboratory services; medical, biological and clinical research; medical and veterinary diagnostic services; surgical diagnostic services; medical imaging; rental of medical and surgical equipment; rental of equipment for medical and veterinary purposes; consultancy and advisory services relating to the above; none of the abovementioned services relating to or being for use in the provision of opticians’ services or ophthalmological services or being ophthalmic instruments or goods for the treatment or surgery of the eyes.

Abrégé

The present invention describes a method and apparatus for mounting a semiconductor disc laser (SDL). In particular there is described a cooling apparatus assembly (12) for mounting the semiconductor disc laser (1) the cooling apparatus assembly comprising a crystalline heat spreader (8) made of diamond, sapphire or SiC and optically contacted to the SDL (1). The apparatus further comprises a heatsink (13) made of copper and a recess (16) located on a first surface (15) of the heatsink. A pliable filler material (17) which may be In or an In alloy is provided within the recess (16) such that when a sealing plate (19) is fastened to the heatsink the SDL (1) is hermetically sealed within the recess. Hermetically sealing the SDL within the recess is found to significantly increase the lifetime of the device comprising the SDL. The heat sink (13) may be water cooled with pipes (14) delivering the water. In case the sealing plate (19) is made from for example Invar, it has an aperture (20).

Classes IPC  ?

• H01S 3/04 - Dispositions pour la gestion thermique
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 3/06 - Structure ou forme du milieu actif
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 5/022 - SupportsBoîtiers
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]

Abrégé

An apparatus and a method monitor fluid loss from one or more casks during a maturation process. The apparatus comprises a multi-pass absorption cell arranged in fluid communication with one or more fluid conduits, a pump and a monitoring system. The pump and fluid conduits transport a fluid sample (e.g. vapor sample) from a perimeter of the one or more casks to the multi-pass absorption cell. The monitoring system detects and identifies fluid within the multi-pass absorption cell.

Classes IPC  ?

• G01M 3/04 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par détection de la présence du fluide à l'emplacement de la fuite
• G01N 21/85 - Analyse des fluides ou solides granulés en mouvement
• G01N 21/59 - Transmissivité
• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière
• G01N 21/3504 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge pour l'analyse des gaz, p. ex. analyse de mélanges de gaz
• G01N 21/03 - Détails de structure des cuvettes
• G01N 1/22 - Dispositifs pour prélever des échantillons à l'état gazeux

Abrégé

A method and apparatus for mounting optical components is described. The apparatus (1) is suitable for mounting multiple optical components (2) and comprises a baseplate (3) having opposing first (4) and second (5) surfaces. Recesses or apertures (7) are formed within the baseplate and are located upon the first or second surfaces so as to define thermally activated optic mounting areas. Pillars (13) are then located within the thermally activated optic mounting areas and these provide a means for attaching the optical component to the baseplate (3). The employment of the recesses or apertures act to significantly reduce the thermal conduction throughout the baseplate. As a result preferential heating can be provided to the one or more thermally activated optic mounting areas while maintaining the baseplate with a desired mechanical strength. The optical mounting apparatus exhibits a high thermal stability thus making the apparatus ideally suited for use within commercial optical system.

Classes IPC  ?

• B23K 1/00 - Brasage ou débrasage
• G02B 7/00 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques
• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 7/182 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour prismesMontures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour miroirs pour miroirs

Abrégé

An optical amplifier is described. The optical amplifier (1) comprises a semiconductor disk gain medium (2) including at least one quantum well layer (9) and a pump field source (17) for generating an optical pump field (3) for the semiconductor disk gain medium. The optical amplifier acts to generate an output optical field (5) from an input optical field (4) received by the optical amplifier and arranged to be incident upon the semiconductor disk gain medium. Employing a semiconductor disk gain medium within the optical amplifier allows it to be optically pumped and thus provided for increased stability and beam quality of the output optical field while allowing for the design of optical amplifiers which can operate across a broad range of wavelengths. The optical amplifier may be employed with continuous wave or pulsed input optical fields.

Classes IPC  ?

• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/50 - Structures amplificatrices non prévues dans les groupes
• H01S 5/024 - Dispositions pour la gestion thermique

Abrégé

An optical amplifier is described. The optical amplifier (1) comprises a semiconductor disk gain medium (2) including at least one quantum well layer (9) and a pump field source (17) for generating an optical pump field (3) for the semiconductor disk gain medium. The optical amplifier acts to generate an output optical field (5) from an input optical field (4) received by the optical amplifier and arranged to be incident upon the semiconductor disk gain medium. Employing a semiconductor disk gain medium within the optical amplifier allows it to be optically pumped and thus provided for increased stability and beam quality of the output optical field while allowing for the design of optical amplifiers which can operate across a broad range of wavelengths. The optical amplifier may be employed with continuous wave or pulsed input optical fields.

Classes IPC  ?

• H01S 5/50 - Structures amplificatrices non prévues dans les groupes
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/024 - Dispositions pour la gestion thermique

Abrégé

A passively mode-locking laser and corresponding method is described. The laser comprises a resonator (2) terminated by first (3) and second (4) mirrors and folded by a third (5) and fourth (6) mirror. The third mirror comprises a reflector (14) surmounted by a multilayer semiconductor gain medium (15) including at least one quantum well layer while the second mirror (4) comprises an intensity saturable mirror. The resonator is configured to provide a cross sectional area of an intra cavity resonating field on the intensity saturable mirror that is greater than or equal to a cross sectional area of the intra cavity resonating field on the multilayer semiconductor gain medium. This arrangement provides a passively mode-locking laser that exhibits increased stability when compared to those systems known in the art.

Classes IPC  ?

• H01S 5/14 - Lasers à cavité externe

Abrégé

A passively mode-locking laser and corresponding method is described. The laser comprises a resonator (2) terminated by first (3) and second (4) mirrors and folded by a third (5) and fourth (6) mirror. The third mirror comprises a reflector (14) surmounted by a multilayer semiconductor gain medium (15) including at least one quantum well layer while the second mirror (4) comprises an intensity saturable mirror. The resonator is configured to provide a cross sectional area of an intra cavity resonating field on the intensity saturable mirror that is greater than or equal to a cross sectional area of the intra cavity resonating field on the multilayer semiconductor gain medium. This arrangement provides a passively mode-locking laser that exhibits increased stability when compared to those systems known in the art.

Classes IPC  ?

• H01S 5/14 - Lasers à cavité externe

Abrégé

A self mode locking laser and corresponding method is described. The laser comprises a resonator (2) terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a reflector (15) surmounted by a multilayer semiconductor gain medium (16) that includes at least one quantum well layer and an optical Kerr lensing layer (20). A perturbator is also included that provides a means to induce a perturbation on an intensity of one or more cavity modes of the resonator. The pertubator is employed to induce a small perturbation on the intensity of the cavity modes of the resonator which is sufficient for the optical Kerr lensing layer to induce mode locking on the output field. The second mirror (4) comprises an intensity saturable mirror that provides a means for reducing the pulse widths of the generated output field e.g. to around 100 fs. A diamond heat spreader (20) is attached to the top of the half VCSEL gain medium (13) for improved cooling as well as representing the Kerr medium. Further folding mirrors (6-8) may be inserted to adjust the degree of astigmatism to be compensated for by the Kerr effect used for mode-locking.

Classes IPC  ?

• H01S 3/098 - Accrochage de modes; Suppression de modes
• H01S 5/14 - Lasers à cavité externe
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 3/0941 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente produite par un laser à semi-conducteur, p. ex. par une diode laser
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage

Abrégé

A self mode locking laser and corresponding method is described. The laser comprises a resonator terminated by first and second mirrors and folded by a third mirror. The third mirror comprises a reflector surmounted by a multilayer semiconductor gain medium that includes at least one quantum well layer and an optical Kerr lensing layer. A perturbator is also included that provides a means to induce a perturbation on an intensity of one or more cavity modes of the resonator. The perturbator is employed to induce a small perturbation on the intensity of the cavity modes of the resonator which is sufficient for the optical Kerr lensing layer to induce mode locking on the output field. The second mirror comprises an intensity saturable mirror that provides a means for reducing the pulse widths of the generated output field e.g. to around 100 fs.

Classes IPC  ?

• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/125 - Lasers à réflecteurs de Bragg répartis [lasers DBR]
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage

Abrégé

b). When incorporated within a laser cavity the described system and methodology can be used to lock and scan the output of the laser cavity while providing the laser output with a reduced linewidth.

Classes IPC  ?

• H01S 3/13 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité
• H01S 3/137 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de dispositifs placés dans la cavité pour la stabilisation de la fréquence
• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 3/083 - Lasers en anneau

Abrégé

b).

Classes IPC  ?

• H01S 3/10 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation
• H01S 3/105 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables
• H01S 3/083 - Lasers en anneau
• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité

Abrégé

The present invention describes a mode locking semiconductor disk laser (SDL). The laser comprises a resonator terminated by first and second mirrors (6,7) and folded by a third mirror. The third mirror comprising a semiconductor disk laser (8) suitable for generating a resonator field comprising a predetermined central wavelength AO while the second mirror comprising an intensity saturable mirror (7) suitable for mode locking the resonator field at the predetermined wavelength. The reflectivity of the of the resonator at the central wavelength AO is reduced by shifting the reflectivity profiles of the first and or second mirrors to wavelength shorter than the predetermined wavelength so as to suppress gain at wavelengths longer than the central wavelength AO. By mismatching the reflectivity profile (32) of the second mirror (7) to that of the desired output wavelength (3) provides a stable mode locked laser with significantly reduced noise. The SDL may comprise a DBR with a reflectivity profile (1) having a peak wavelength corresponding to the laser emission (3). The gain medium comprises a RPG structure of the active region resulting in a Fabry-Perot with a FSR as indicated by the corresponding reflectivity profile (2). The peak reflection of the DBR of the saturable absorber mirror may be shifted towards shorter wavelengths with respect to the laser emission by an amount corresponding to one half to one FSR of said RPG active region.

Classes IPC  ?

• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 5/14 - Lasers à cavité externe
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/0941 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente produite par un laser à semi-conducteur, p. ex. par une diode laser
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/12 - Structure ou forme du résonateur optique le résonateur ayant une structure périodique, p. ex. dans des lasers à rétroaction répartie [lasers DFB]

Abrégé

The present invention describes a mode locking semiconductor disk laser (SDL). The laser comprises a resonator terminated by first and second mirrors (6,7) and folded by a third mirror. The third mirror comprising a semiconductor disk laser (8) suitable for generating a resonator field comprising a predetermined central wavelength AO while the second mirror comprising an intensity saturable mirror (7) suitable for mode locking the resonator field at the predetermined wavelength. The reflectivity of the of the resonator at the central wavelength AO is reduced by shifting the reflectivity profiles of the first and or second mirrors to wavelength shorter than the predetermined wavelength so as to suppress gain at wavelengths longer than the central wavelength AO. By mismatching the reflectivity profile (32) of the second mirror (7) to that of the desired output wavelength (3) provides a stable mode locked laser with significantly reduced noise. The SDL may comprise a DBR with a reflectivity profile (1) having a peak wavelength corresponding to the laser emission (3). The gain medium comprises a RPG structure of the active region resulting in a Fabry-Perot with a FSR as indicated by the corresponding reflectivity profile (2). The peak reflection of the DBR of the saturable absorber mirror may be shifted towards shorter wavelengths with respect to the laser emission by an amount corresponding to one half to one FSR of said RPG active region.

Classes IPC  ?

• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/125 - Lasers à réflecteurs de Bragg répartis [lasers DBR]
• H01S 5/14 - Lasers à cavité externe
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage

Abrégé

The invention provides a maturation apparatus and associated method that reduces fluid loss from one or more casks during a maturation process by sealably enclosing the casks in an intermodal container. The intermodal container provides an expansion volume to receive fluid vapour from the casks which assists in reducing product loss via evaporation and in reducing the problematic effects associated with fungi that often form in the vicinity of a distillery or other spirit maturation facilities. The maturation apparatus may further comprise a vapour detection system and or an environmental control system. The use of intermodal containers within the maturation apparatus provides a number of significant advantages for the transportation and storage of the casks during the maturation process.

Classes IPC  ?

• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière

Abrégé

The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a single distributed Bragg reflector (17) upon which is mounted a multilayer semiconductor gain medium (18) and which includes at least one quantum well layer and an optical Kerr lensing layer (22). Self mode locking may be achieved by configuring the laser resonator such that the lensing effect of the Kerr lensing layer acts to reduce an astigmatism deliberately introduced to the cavity mode. The self mode locking of the laser may be further enhanced by selecting the length of the resonator such that a round trip time of a cavity mode is matched with an upper-state lifetime of one or more semiconductor carriers located within the gain medium.

Classes IPC  ?

• H01S 5/22 - Structure ou forme du corps semi-conducteur pour guider l'onde optique ayant une structure à nervures ou à bandes
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/14 - Lasers à cavité externe
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]

Abrégé

The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a single distributed Bragg reflector (17) upon which is mounted a multilayer semiconductor gain medium (18) and which includes at least one quantum well layer and an optical Kerr lensing layer (22). Self mode locking may be achieved by configuring the laser resonator such that the lensing effect of the Kerr lensing layer acts to reduce an astigmatism deliberately introduced to the cavity mode. The self mode locking of the laser may be further enhanced by selecting the length of the resonator such that a round trip time of a cavity mode is matched with an upper-state lifetime of one or more semiconductor carriers located within the gain medium.

Classes IPC  ?

• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 5/10 - Structure ou forme du résonateur optique
• H01S 3/086 - Structure ou forme des résonateurs optiques ou de leurs composants un ou plusieurs réflecteurs ayant des propriétés ou positions variables pour le réglage initial du résonateur
• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/14 - Lasers à cavité externe
• H01S 5/34 - Structure ou forme de la région activeMatériaux pour la région active comprenant des structures à puits quantiques ou à superréseaux, p. ex. lasers à puits quantique unique [SQW], lasers à plusieurs puits quantiques [MQW] ou lasers à hétérostructure de confinement séparée ayant un indice progressif [GRINSCH]
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente

Abrégé

The present invention describes a method and apparatus for mounting a semiconductor disc laser (SDL). In particular there is described a cooling apparatus assembly for mounting the semiconductor disc laser (SDL) the cooling apparatus assembly comprising a crystalline heat spreader optically contacted to the SDL. The apparatus further comprises a heatsink and a recess located on a first surface of the heatsink. A pliable filler material is provided within the recess such that when a sealing plate is fastened to the heatsink the SDL is hermetically sealed within the recess. Hermitically sealing the SDL within the recess is found to significantly increase the lifetime of the device comprising the SDL.

Classes IPC  ?

• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/02218 - Matériaux du boîtierMatériaux de remplissage du boîtier
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]

Abrégé

The present invention describes a method and apparatus for mounting a semiconductor disc laser (SDL). In particular there is described a cooling apparatus assembly (12) for mounting the semiconductor disc laser (1) the cooling apparatus assembly comprising a crystalline heat spreader (8) made of diamond, sapphire or SiC and optically contacted to the SDL (1). The apparatus further comprises a heatsink (13) made of copper and a recess (16) located on a first surface (15) of the heatsink. A pliable filler material (17) which may be In or an In alloy is provided within the recess (16) such that when a sealing plate (19) is fastened to the heatsink the SDL (1) is hermetically sealed within the recess. Hermetically sealing the SDL within the recess is found to significantly increase the lifetime of the device comprising the SDL. The heat sink (13) may be water cooled with pipes (14) delivering the water. In case the sealing plate (19) is made from for example Invar, it has an aperture (20).

Classes IPC  ?

• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 3/23 - Agencement de plusieurs lasers non prévu dans les groupes , p. ex. agencement en série de deux milieux actifs séparés
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/022 - SupportsBoîtiers

Abrégé

The invention provides an apparatus and a method to monitor fluid loss from one or more casks (2) during a maturation process. The apparatus (1) comprises a multi-pass absorption cell (4) arranged in fluid communication with one or more fluid conduits (5) and a pump (8), and a monitoring system (12). The pump (8) and fluid conduits (5) provide a means for transporting a fluid sample (e.g. a vapour sample) to the multi-pass absorption cell (4). The monitoring system (12) provides a means for detecting and identifying fluid within the multi-pass absorption cell (4).

Classes IPC  ?

• G01N 21/35 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge
• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière
• G01N 1/22 - Dispositifs pour prélever des échantillons à l'état gazeux
• G01N 21/03 - Détails de structure des cuvettes

Abrégé

The invention provides an apparatus and a method to monitor fluid loss from one or more casks (2) during a maturation process. The apparatus (1) comprises a multi-pass absorption cell (4) arranged in fluid communication with one or more fluid conduits (5) and a pump (8), and a monitoring system (12). The pump (8) and fluid conduits (5) provide a means for transporting a fluid sample (e.g. a vapour sample) to the multi-pass absorption cell (4). The monitoring system (12) provides a means for detecting and identifying fluid within the multi-pass absorption cell (4).

Classes IPC  ?

• G01N 21/35 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge
• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière
• G01N 1/22 - Dispositifs pour prélever des échantillons à l'état gazeux
• G01N 21/03 - Détails de structure des cuvettes

Abrégé

A method and apparatus for mounting optical components is described. The apparatus (1) is suitable for mounting multiple optical components (2) and comprises a baseplate (3) having opposing first (4) and second (5) surfaces. Recesses or apertures (7) are formed within the baseplate and are located upon the first or second surfaces so as to define thermally activated optic mounting areas. Pillars (13) are then located within the thermally activated optic mounting areas and these provide a means for attaching the optical component to the baseplate (3). The employment of the recesses or apertures act to significantly reduce the thermal conduction throughout the baseplate. As a result preferential heating can be provided to the one or more thermally activated optic mounting areas while maintaining the baseplate with a desired mechanical strength. The optical mounting apparatus exhibits a high thermal stability thus making the apparatus ideally suited for use within commercial optical system.

Classes IPC  ?

• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques

Abrégé

A method and apparatus for mounting optical components is described. The apparatus (1) is suitable for mounting multiple optical components (2) and comprises a baseplate (3) having opposing first (4) and second (5) surfaces. Recesses or apertures (7) are formed within the baseplate and are located upon the first or second surfaces so as to define thermally activated optic mounting areas. Pillars (13) are then located within the thermally activated optic mounting areas and these provide a means for attaching the optical component to the baseplate (3). The employment of the recesses or apertures act to significantly reduce the thermal conduction throughout the baseplate. As a result preferential heating can be provided to the one or more thermally activated optic mounting areas while maintaining the baseplate with a desired mechanical strength. The optical mounting apparatus exhibits a high thermal stability thus making the apparatus ideally suited for use within commercial optical system.

Classes IPC  ?

• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques

Abrégé

The invention provides an apparatus and a method that reduces fluid loss from a cask during a maturation process by sealably enclosing the cask in a vessel that provides an expansion volume to receive fluid vapor from the cask, a monitoring system and a method that monitors fluid loss from a cask during a maturation process using a light source and a detector to determine the presence of fluid vapor in the vicinity of the cask, a corresponding system for controlling a maturation process in which environmental conditions are controlled, and a cask leak testing system and method making use of the above.

Classes IPC  ?

• G01J 5/00 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique
• G01N 21/59 - Transmissivité
• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière
• G01N 21/3504 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge pour l'analyse des gaz, p. ex. analyse de mélanges de gaz

Abrégé

An M2 value beam profiling apparatus and method is described. The M2 value beam profiler comprises an optical axis defined by a focussing lens assembly and a detector, wherein the focussing lens acts to create an artificial waist within an optical field propagating along the optical axis. The beam profiler also comprises a multiple blade assembly having a first set of blades located at an artificial waist position and a second set of blades longitudinally separated along the optical axis from the artificial waist position. The multiple blade assembly therefore provides a means for selectively passing the blades through the location of the optical axis. Employing these measured widths allows for the M2 value of the optical field to be determined.

Classes IPC  ?

• G01J 1/42 - Photométrie, p. ex. posemètres photographiques en utilisant des détecteurs électriques de radiations
• G01J 1/04 - Pièces optiques ou mécaniques

Abrégé

A method and system for characterising a hydrocarbon fluid (2) is described. The method involves exposing the hydrocarbon fluid to an output field generated by a mid-infrared laser source (4). The wavelength of the output field is then scanned and the field is scanned over an area of the hydrocarbon fluid so allowing for the absorption of the output field by the hydrocarbon fluid to be measured. From this measured data a spectral profile or fingerprint (9) of the hydrocarbon fluid can be produced. This spectral profile or fingerprint of the hydrocarbon fluid can then be used to identify the source of the hydrocarbon fluid or monitor for the presence of contaminants or foreign fluids entering the hydrocarbon fluid. The method and system finds particular application for real time monitoring of a hydrocarbon production flow.

Classes IPC  ?

• G01N 21/39 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant des lasers à longueur d'onde réglable
• G01N 21/35 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge

Abrégé

A tunable reference cavity (3) with two independently controllable mirrors (15, 16) is disclosed. The mirrors are mounted on respective piezoelectric crystals (18, 19) so that thermal expansion of the piezoelectric crystals moves the cavity mirrors in the same direction along a longitudinal axis of the reference cavity thereby reducing a change of the cavity length. Also disclosed is a system for locking and scanning the output of a laser cavity (2). An error signal is generated between an output of the laser cavity (28) and the transmission (28) of the laser through the external reference cavity (3). A dual piezo-actuated mirror (6b) permits processing of the error signal (26) with separate signal processing circuits (29a, 29b) used to provide an electrical feedback signal to the dual piezoelectric crystal (22, 23b).

Classes IPC  ?

• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/105 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité

Abrégé

A system and method that can be employed to lock and scan the output of a laser cavity (2) is described. The system and method involves the use of a signal generator for generating an error signal between an output of the laser cavity (28) and the transmission (28) of the laser through a tunable external reference cavity (3). A dual piezo-actuated mirror (6b) permits processing of the error signal (26) with separate signal processing circuits (29a, 29b) used to provide an electrical feedback signal to the two piezoelectric crystals (22, 23b). When incorporated within a laser cavity the described system and methodology can be used to lock and scan the output of the laser cavity while providing the laser output with a reduced linewidth.

Classes IPC  ?

• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/083 - Lasers en anneau
• H01S 3/105 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité

Abrégé

A system and method that can be employed to lock and scan the output of a laser cavity (2) is described. The system and method involves the use of a signal generator for generating an error signal between an output of the laser cavity (28) and the transmission (28) of the laser through a tunable external reference cavity (3). A dual piezo-actuated mirror (6b) permits processing of the error signal (26) with separate signal processing circuits (29a, 29b) used to provide an electrical feedback signal to the two piezoelectric crystals (22, 23b). When incorporated within a laser cavity the described system and methodology can be used to lock and scan the output of the laser cavity while providing the laser output with a reduced linewidth.

Classes IPC  ?

• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/083 - Lasers en anneau
• H01S 3/105 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité

Abrégé

A tunable reference cavity (3) with two independently controllable mirrors (15, 16) is disclosed. The mirrors are mounted on respective piezoelectric crystals (18, 19) so that thermal expansion of the piezoelectric crystals moves the cavity mirrors in the same direction along a longitudinal axis of the reference cavity thereby reducing a change of the cavity length. Also disclosed is a system for locking and scanning the output of a laser cavity (2). An error signal is generated between an output of the laser cavity (28) and the transmission (28) of the laser through the external reference cavity (3). A dual piezo-actuated mirror (6b) permits processing of the error signal (26) with separate signal processing circuits (29a, 29b) used to provide an electrical feedback signal to the dual piezoelectric crystal (22, 23b).

Classes IPC  ?

• H01S 3/139 - Stabilisation de paramètres de sortie de laser, p. ex. fréquence ou amplitude par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/105 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de la position relative ou des propriétés réfléchissantes des réflecteurs de la cavité
• H01S 3/106 - Commande de l'intensité, de la fréquence, de la phase, de la polarisation ou de la direction du rayonnement, p. ex. commutation, ouverture de porte, modulation ou démodulation par commande de dispositifs placés dans la cavité

Abrégé

The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a single distributed Bragg reflector (17) upon which is mounted a multilayer semiconductor gain medium (18) and which includes at least one quantum well layer and an optical Kerr lensing layer (22). Self mode locking may be achieved by configuring the laser resonator such that the lensing effect of the Kerr lensing layer acts to reduce an astigmatism deliberately introduced to the cavity mode. The self mode locking of the laser may be further enhanced by selecting the length of the resonator such that a round trip time of a cavity mode is matched with an upper- state lifetime of one or more semiconductor carriers located within the gain medium.

Classes IPC  ?

• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/14 - Lasers à cavité externe
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]

Abrégé

The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a single distributed Bragg reflector (17) upon which is mounted a multilayer semiconductor gain medium (18) and which includes at least one quantum well layer and an optical Kerr lensing layer (22). Self mode locking may be achieved by configuring the laser resonator such that the lensing effect of the Kerr lensing layer acts to reduce an astigmatism deliberately introduced to the cavity mode. The self mode locking of the laser may be further enhanced by selecting the length of the resonator such that a round trip time of a cavity mode is matched with an upper- state lifetime of one or more semiconductor carriers located within the gain medium.

Classes IPC  ?

• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/14 - Lasers à cavité externe
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus

Abrégé

The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a single distributed Bragg reflector (17) upon which is mounted a multilayer semiconductor gain medium (18) and which includes at least one quantum well layer and an optical Kerr lensing layer (22). Self mode locking may be achieved by configuring the laser resonator such that the lensing effect of the Kerr lensing layer acts to reduce an astigmatism deliberately introduced to the cavity mode. The self mode locking of the laser may be further enhanced by selecting the length of the resonator such that a round trip time of a cavity mode is matched with an upper- state lifetime of one or more semiconductor carriers located within the gain medium.

Classes IPC  ?

• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/14 - Lasers à cavité externe
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]

Abrégé

The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5). The third mirror comprises a single distributed Bragg reflector (17) upon which is mounted a multilayer semiconductor gain medium (18) and which includes at least one quantum well layer and an optical Kerr lensing layer (22). Self mode locking may be achieved by configuring the laser resonator such that the lensing effect of the Kerr lensing layer acts to reduce an astigmatism deliberately introduced to the cavity mode. The self mode locking of the laser may be further enhanced by selecting the length of the resonator such that a round trip time of a cavity mode is matched with an upper- state lifetime of one or more semiconductor carriers located within the gain medium.

Classes IPC  ?

• H01S 3/11 - Blocage de modesCommutation-QAutres techniques d'impulsions géantes, p. ex. vidange de cavité
• H01S 5/183 - Lasers à émission de surface [lasers SE], p. ex. comportant à la fois des cavités horizontales et verticales comportant uniquement des cavités verticales, p. ex. lasers à émission de surface à cavité verticale [VCSEL]
• H01S 5/14 - Lasers à cavité externe
• H01S 5/065 - Accrochage de modesSuppression de modesSélection de modes
• H01S 5/024 - Dispositions pour la gestion thermique
• H01S 3/094 - Procédés ou appareils pour l'excitation, p. ex. pompage utilisant le pompage optique par de la lumière cohérente
• H01S 5/04 - Procédés ou appareils pour l'excitation, p. ex. pompage
• H01S 3/081 - Structure ou forme des résonateurs optiques ou de leurs composants comprenant trois réflecteurs ou plus
• H01S 3/08 - Structure ou forme des résonateurs optiques ou de leurs composants

Abrégé

A method of optimizing parametric gain in a nonlinear optical crystal that in response to application of a pump beam generates through a parametric generation process signal and idler beams, wherein the signal beam is non-collinear with the pump beam and the signal beam is subject to absorption due to the nonlinear material, the method involving shaping the pump beam to have an elliptical cross section, wherein the method further involves determining the width w of the pump beam depending on the absorption co-efficient of the optical crystal.

Classes IPC  ?

• G02F 1/39 - Optique non linéaire pour la génération ou l'amplification paramétrique de la lumière, des infrarouges ou des ultraviolets

Produits et services

Scientific apparatus, namely, Ti-sapphire lasers not for medical use; infrared lasers not for medical use; [ terahertz lasers not for medical use; ] femtosecond and picosecond lasers not for medical use; diode drivers, temperature controllers, photodiode monitors, electronic data-loggers, [ external cavity frequency doublers and actuator drivers, all specially designed for use with lasers, not for medical use; ] lasers, not for medical use; [ laser diodes; ] solid state lasers not for medical use; electronic control apparatus for lasers, not for medical use; [ electronic apparatus for controlling lasers, not for medical use, via Internet or ethernet; electronic control apparatus for lasers, not for medical use, which can be operated remotely via the Internet; electronic control apparatus for optics, namely, for optical lenses which can be operated remotely via the Internet; optical lenses for use with lasers, not for medical use; reticles for optical lenses, focusing mechanisms for lasers, diaphragms, shutters, optical tables and rails, all specially designed for lasers not for medical use; optical component holders, namely, holders specially designed for optical lenses, optical fibres; diaphragms, shutters, reticles and diodes; mounts and positioning apparatus specially designed for lasers, optical lenses, optical fibres, diaphragms, shutters, reticles and diodes, not for medical use; vibration isolators for controlling vibrations in lasers not for medical use; ] optical sources, namely, lasers and laser diodes not for medical use; [ optical components, namely, optical fibres; optical condensers, optical mirrors, optical windows, optical flats for use with lasers not for medical use; optical flats in the nature of optical lenses; beam samplers, namely, devices for sampling laser beams, not for medical use; beam splitters, namely, devices for splitting laser beams, not for medical use; optical couplers, separators, and polarisers, all specially designed for use with lasers, not for medical use; electro-optical couplers, splitters, polarisers and modulators all specially designed for use with lasers, not for medical use; prisms and optical filters; optical beam deflectors and optical beam detectors both specially designed for use with lasers, not for medical use; ] computer software for controlling lasers, not for medical use; computer software for the control of lasers and laser systems; computer software for the control of optics and optical systems Lasers for medical, surgical, and ophthalmic use [ ; structural parts of laser and laser systems for medical, surgical and ophthalmic use ]

Abrégé

An optical parametric device comprising a slant-stripe periodically poled nonlinear material that is operable to generate signal in response to interaction with a pump wave, the non-linear interaction being such that the pump and idler waves are collinear and the signal wave is non-collinear relative to the pump and idler waves, wherein the slant-stripe non-linear material is able to generate two idler waves and two signal waves, and the device is adapted to allow for the selection and output coupling of a required one of the two signal waves.

Classes IPC  ?

• G02F 1/39 - Optique non linéaire pour la génération ou l'amplification paramétrique de la lumière, des infrarouges ou des ultraviolets
• G02F 1/35 - Optique non linéaire
• G02F 1/355 - Optique non linéaire caractérisée par les matériaux utilisés

Abrégé

The invention provides an apparatus and a method that reduces fluid loss from a cask during a maturation process by sealably enclosing the cask in a vessel that provides an expansion volume to receive fluid vapour from the cask, a monitoring system and a method that monitors fluid loss from a cask during a maturation process using a light source and a detector to determine the presence of fluid vapour in the vicinity of the cask, a corresponding system for controlling a maturation process in which environmental conditions are controlled, and a cask leak testing system and method making use of the above.

Classes IPC  ?

• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière
• G01N 21/35 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge
• G01N 33/14 - Boissons

Abrégé

The invention provides an apparatus and a method that reduces fluid loss from a cask during a maturation process by sealably enclosing the cask in a vessel that provides an expansion volume to receive fluid vapour from the cask, a monitoring system and a method that monitors fluid loss from a cask during a maturation process using a light source and a detector to determine the presence of fluid vapour in the vicinity of the cask, a corresponding system for controlling a maturation process in which environmental conditions are controlled, and a cask leak testing system and method making use of the above.

Classes IPC  ?

• C12H 1/22 - Vieillissement ou mûrissage par emmagasinage, p. ex. blondissement de la bière
• G01N 21/35 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge
• G01N 33/14 - Boissons

Produits et services

Scientific and measuring apparatus and instruments; internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; internet enabled control apparatus for lasers and laser systems; internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of lasers and laser systems; computer software for the control of optics and optical systems. Lasers and laser systems for medical, surgical, and ophthalmic use; components of laser and laser systems for medical, surgical and ophthalmic use. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems. Research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; rental and leasing of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; installation, maintenance, monitoring and repair of computer software.

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of lasers and laser systems; computer software for the control of optics and optical systems; leak testing apparatus; leak detection apparatus; parts and fittings for all the aforesaid goods. Lasers and laser systems for medical, surgical, and ophthalmic use; accessories for laser and laser systems for medical, surgical and opthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; maintenance services, namely testing for leaks, faults and damage in pipes, conduits, containers and industrial and commercial apparatus; advisory and consultancy services relating to the above.

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of lasers and laser systems; computer software for the control of optics and optical systems; leak testing apparatus; leak detection apparatus; parts and fittings for all the aforesaid goods. Lasers and laser systems for medical, surgical, and ophthalmic use; accessories for laser and laser systems for medical, surgical and opthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; maintenance services, namely testing for leaks, faults and damage in pipes, conduits, containers and industrial and commercial apparatus; advisory and consultancy services relating to the above.

Produits et services

Scientific and measuring apparatus and instruments; Internet enabled scientific and measuring apparatus and instruments; lasers and laser systems; laser diodes; solid state lasers; control apparatus for lasers and laser systems; Internet enabled control apparatus for lasers and laser systems; Internet enabled control apparatus for optics and optical systems; optical apparatus and instruments; objectives, eye-pieces, reticles, focusing mechanisms, microscope bodies and barrels; diaphragms, shutters, optical tables and rails; optical component holders; mounts and positioning apparatus for optical components; vibration isolation apparatus, optical sources, optical components; lenses; optical condensers, mirrors, windows and flats; beam samplers, beam splitters; optical couplers, separators, and polarisers; electro-optical couplers, splitters, polarisers and modulators; prisms and optical filters; optical beam deflectors, optical beam detectors; parts and fittings for all of the aforesaid goods; computer software; computer software for the control of scientific and measuring apparatus and instruments; computer software for the control of lasers and laser systems; computer software for the control of optics and optical systems; leak testing apparatus; leak detection apparatus; parts and fittings for all the aforesaid goods. Lasers and laser systems for medical, surgical, and ophthalmic use; accessories for laser and laser systems for medical, surgical and opthalmic use; parts and fittings for all the aforesaid goods. Installation, assembly, maintenance, and repair of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; maintenance services, namely testing for leaks, faults and damage in pipes, conduits, containers and industrial and commercial apparatus; advisory and consultancy services relating to the above. Research, development and design services all relating to science, technology, lasers and laser systems, optics and optical systems, and new products within these fields; rental and leasing of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; monitoring of scientific and measuring apparatus and instruments and in particular lasers and laser systems, optics and optical systems; installation, maintenance, monitoring and repair of computer software; testing of apparatus; advisory and consultancy services relating to the above.

Produits et services

Laser systems namely optical parametric oscillators;  control apparatus for optical parametric oscillators; Internet enabled control apparatus for optical parametric oscillators ;   computer software for the control of optical parametric oscillators;  parts and fittings for all the aforesaid goods; all the aforesaid goods for lasers and laser systems, none of the aforesaid goods/services in relation to gas or fire detection. Installation, assembly, maintenance, and repair of laser systems namely optical parametric oscillators; advisory and consultancy services relating to the above, none of the aforesaid services in relation to gas or fire detection.

Produits et services

Scientific apparatus, namely, Ti-sapphire lasers not for medical use; infrared lasers not for medical use; terahertz lasers not for medical use; femtosecond and picosecond lasers not for medical use; diode drivers, temperature controllers, photodiode monitors, data-loggers, external cavity frequency doublers and actuator drivers, all specially designed for lasers, not for medical use; measuring apparatus and instruments, namely, gas detectors for detecting the presence of gas or vapours; lasers, not for medical use; laser diodes; solid state lasers not for medical use; electronic control apparatus for lasers, not for medical use; internet or ethernet control apparatus for lasers, not for medical use; internet enabled electronic control apparatus for lasers, not for medical use; internet enabled electronic control apparatus for optics, namely, for optical lenses; optical lenses for use with lasers not for medical use; reticles for optical lenses, focusing mechanisms for lasers, diaphragms, shutters, optical tables and rails, all specially designed for lasers not for medical use; optical component holders, namely, holders specially designed for optical lenses, optical fibres, optical diaphragms, optical shutters, optical reticles and diodes; mounts and positioning apparatus specially designed for lasers, optical lenses, optical fibres, optical diaphragms, optical shutters, optical reticles and diodes, not for medical use; vibration isolators for controlling vibrations in lasers not for medical use; optical sources, namely, lasers and laser diodes not for medical use; optical components, namely, optical fibres; optical condensers, optical mirrors, optical windows and optical flats, all specially designed for lasers not for medical use; optical flats in the nature of optical lenses; beam samplers, namely, devices specially designed for sampling laser beams, not for medical use; beam splitters, namely, devices specially designed for splitting laser beams, not for medical use; optical couplers, separators, and polarisers, all specially designed for lasers, not for medical use; electro-optical couplers, splitters, polarisers and modulators all specially designed for lasers, not for medical use; prisms and optical filters; optical beam deflectors and optical beam detectors both specially designed for lasers, not for medical use; computer software for controlling lasers, not for medical use; computer software for the control of lasers and laser systems; computer software for the control of optics and optical systems Lasers for medical, surgical, and medical ophthalmic use; structural parts of laser and laser systems for medical, surgical and medical ophthalmic use Installation, maintenance, and repair of scientific and measuring apparatus and instruments, namely, of lasers and laser systems for medical, surgical and medical ophthalmic use Research, development and design of lasers and laser systems, optics and optical systems; rental and leasing of lasers and laser systems, optics and optical systems; monitoring of lasers and laser systems, optics and optical systems to ensure proper functioning; installation, maintenance, monitoring to ensure proper functioning and repair of computer software for controlling lasers, not for medical use