A supercontinuum light source can include a seed laser arranged to provide seed pulses with a pulse frequency Fseed; a pulse frequency multiplier (PFM) arranged to multiply the seed pulses by converting pulses having the pulse frequency Fseed to pump pulses with a pulse frequency Fpump, where Fpump is larger than Fseed; and a non-linear element arranged to receive said pump pulses and convert said pump pulses to pulses of supercontinuum light. The PFM can further include a splitter for splitting pulses into first and second sub beams each having the same pulse frequency, where the PFM is configured such that the sub beams experience different delays; and a combiner for combining said first and second sub beams into a beam having the pulse frequency that is greater than said same pulse frequency. The splitter can have an uneven splitter ratio.
A filter for filtering a broadband beam and in one embodiment a fluorescence measurement system comprising such a filter. The system includes a broadband light source arranged to provide a broadband beam, a first tunable element arranged to filter at least a portion of the broadband beam thereby providing filtered light and a control unit arranged to provide a control signal to the first tunable element. In one embodiment the first tunable element is an acousto-optic filter (AOTF) and the control signal to the AOTF is an acoustic RF signal provided by a Voltage Controlled Oscillator (VCO) arranged so the AOTF provide a high out-of-band suppression.
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02F 1/11 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
A light source including: a pulse generator for providing a first sequence of light pulses, the first sequence of light pulses including a first number of light pulses within a predetermined time period, a manipulator configured to generate a second sequence of light pulses from the first sequence of light pulses, the second sequence of light pulses having a second number of light pulses within the predetermined time period, the second number being different from the first number, and a nonlinear optical element arranged to receive the second sequence of light pulses.
G02F 1/365 - Non-linear optics in an optical waveguide structure
G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
A method of producing a microstructured optical fiber is disclosed. The method includes providing a preform and drawing the preform. The preform has a center axis, a length and a first end and a second end and has at least one longitudinal hole extending lengthwise. The method includes inserting a first end of a pressure tube into the hole of the preform at the first end of the preform and subjecting the hole of the preform to a controlled pressure via the pressure tube during the drawing.
A supercontinuum light source includes a microstructured optical fiber, and a feeding unit arranged for feeding pump pulses to the microstructured optical fiber, wherein the feeding unit comprises a picosecond laser and one or more amplifiers, wherein the microstructured optical fiber is a silica fiber wherein at least a part of the core being of silica or doped silica, and including a core including core material and a cladding surrounding the core, and at least the core material is loaded with deuterium to have an OD absorption peak around 1870 nm, wherein the feeding unit is spliced to the microstructured optical fiber.
G02F 1/365 - Non-linear optics in an optical waveguide structure
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
G02B 6/42 - Coupling light guides with opto-electronic elements
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
A light source including: a pulse generator for providing an initial sequence of light pulses, the pulse generator including an optical source for producing optical pulses; a modulator in communication with the optical source for increasing or decreasing the selected number of pulses provided by the pulse generator in the selected time period; first and second optical arms, for propagating, respectively, first and second sequences of light pulses, wherein the first optical arm includes a first manipulator configured to generate the first sequence of light pulses from the initial sequence of light pulses, wherein the light source includes a nonlinear optical element arranged to receive the first sequence of light pulses or the second sequence of light pulses, and an optical switch arranged to switch either the first sequence of light pulses or the second sequence of light pulses for reception by the nonlinear optical element.
A high energy laser processing system (100) comprising: an optical source (102) to provide a cw initial laser signal having a spectral linewidth of 15 to 250 GHz; an optical modulator (104) configurable in a cw operating mode to transmit the cw initial laser signal unmodulated and in a pulsed operating mode to apply amplitude modulation to form a pulsed initial laser signal; an optical splitter (106); optical amplifiers (108) to amplify the seed laser signals to average optical powers of 800 W to 5 kW; phase actuators (110) configurable to adjust phases of seed laser signals; an optical beam combiner (112); phase control apparatus (116) operative to transmit phase control signals configured to cause phase actuators to adjust phases of seed laser signals to minimize phase differences between seed laser signals within a combined laser signal output from the beam combiner; and a controller (118) to transmit at least one control signal configured to cause the optical modulator to switch between the operating modes.
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
H01S 3/23 - Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
8.
OPTICAL FIBER WITH LOW CHLORINE CONCENTRATION IMPROVEMENTS RELATING TO LOSS AND ITS USE, METHOD OF ITS PRODUCTION AND USE THEREOF
An optical fiber having an axial direction and a cross section perpendicular to the axial direction, and a method and preform for producing such an optical fiber. The optical fiber is adapted to guide light at a wavelength λ, and includes a core region, an inner cladding region surrounding said core region, and at least one of a first type of feature including a void and a surrounding first silica material. The core, the inner cladding region and the first type of feature extends along said axial direction over at least a part of the length of the optical fiber. The first silica material has a first chlorine concentration of about 300 ppm or less.
A method of making a microstructured optical fiber including loading the core and cladding materials of the fiber with hydrogen and deuterium at a loading temperature; annealing the fiber at a selected temperature Tanneal; pumping the fiber with radiation; and reducing the temperature of the fiber and storing the fiber at the reduced temperature before the step of pumping the fiber; and wherein the method allows the hydrogen and the deuterium to become bound to the core material and the cladding material.
G02F 1/365 - Non-linear optics in an optical waveguide structure
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
A supercontinuum source including a pump light source arranged to emit pump light and a nonlinear fiber having a core arranged to receive the pump light. The supercontinuum includes infrared wavelengths generated in the nonlinear fiber from the pump light. The nonlinear fiber has a dispersion profile including a zero dispersion wavelength, a positive peak value at a peak wavelength longer than the zero dispersion wavelength, a minimum value of dispersion at a minimum wavelength longer than the peak wavelength. The pump light is arranged to include substantial energy at one or more preferred pump wavelengths which are 10 nm longer than the zero dispersion wavelength or more. Also, a supercontinuum pump source including a nonlinear fiber having a core including a fluoride glass and having a core diameter smaller than 7 μm, where the fiber has a numerical aperture of more than 0.26.
An optical fiber for guiding an optical signal, the optical fiber includes: a core region; a cladding region surrounding the core region, the cladding region including an inner cladding region and an outer cladding region, wherein a plurality of the plurality of inner cladding features are of a first type of feature, wherein a plurality of the plurality of inner cladding features are of a second type of feature including an air hole in direct contact with the background material having a refractive index, nb, and wherein the inner cladding features are arranged in a substantially hexagonal lattice and the six nearest neighbors surrounding a first type of feature are of the second type of feature, and wherein no first type of feature is surrounded by less than six nearest neighbors of the second type of feature.
A microstructured optical fiber for generating supercontinuum light. The optical fiber includes a core and a cladding region surrounding the core. The optical fiber includes a first fiber length section, a second fiber length section as well as an intermediate fiber length section between said first and second fiber length sections. The first fiber length section has a core with a first characteristic core diameter larger than about 7 μm. The second fiber length section has a core with a second characteristic core diameter, smaller than said first characteristic core diameter. The intermediate length section of the optical fiber includes a core which is tapered from said first characteristic core diameter to the second characteristic core diameter over a tapered length. Also, a supercontinuum light source including an optical fiber and a pump light source.
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/0941 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a semiconductor laser, e.g. of a laser diode
H01S 3/113 - Q-switching using intracavity saturable absorbers
H01S 3/131 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
Disclosed is an optical system for monitoring a parameter, such as a density or a pressure, of a fluid, in particular a gas or a mixture of gases, in a hollow core of an optical fiber, wherein the optical system comprises: an optical fiber which comprises a hollow core that is filled with a fluid, a pulsed laser for providing pulsed laser light, which is input into a first end of the optical fiber such that the laser light propagates through the hollow core from the first end to a second end of the fiber, wherein the pulsed laser light is configured to induce nonlinear processes by interacting with the fluid in the hollow core, and wherein the optical system further comprises a monitoring device for detecting acoustic vibrations in the fiber and for determining a parameter of the fluid based on the acoustic vibrations.
0022, whereby each of the plurality of modified light pulses is further defined by: a soliton number, N, where N200 2022|, wherein said non-linear element(s) is/are configured to spectrally broadening the plurality of modified light-pulses, thereby generating a train of supercontinuum-pulses.
Optical intensity modulation apparatus (100) comprising: an optical modulator (102) operative to modulate a continuous-wave optical carrier signal at a carrier wavelength to generate at least one sideband on the optical carrier signal; a radio frequency, RF, signal generator (104) operative to provide an RF drive signal to the optical modulator; a first optical waveguide grating (108) having a central reflection wavelength corresponding to a said sideband; and optical circulator (106) configured to direct the optical carrier signal and the at least one sideband to the first optical waveguide grating and to direct a reflected optical signal from the first optical waveguide grating towards an output to form an output optical signal. The RF signal generator is operative to switch the drive signal on and off so as to form an intensity modulated output optical signal.
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/125 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves in an optical waveguide structure
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
17.
RADIO FREQUENCY SIGNAL GENERATOR AND OPTICAL INTENSITY MODULATION APPARATUS
A radio frequency, RF, signal generator (100) comprising an arbitrary waveform generator, AWG, (102) operative to generate an RF signal (110) comprising at least one pulse pair (112), each the pulse pair comprising a first pulse (114) and a second pulse (116), wherein each the pulse pair has an RF signal amplitude envelope (118) configured to compensate for an optical amplifier non-uniform gain response in the time domain.
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
H04L 25/03 - Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
A method of tuning the time duration of laser output pulses, the method including spectrally dispersing optical pulses and further comprising providing an optical pulse having a time duration and a spectral bandwidth; spectrally dispersing (243, 245) the optical pulse so as to provide a selected change in the time duration of the pulse responsive to the spectral bandwidth of the pulse; outputting (226) an optical output pulse having a first time duration that is responsive to the selected change in time duration; providing another optical pulse; changing the amount of spectral bandwidth of the another optical pulse (272) to be different than that of the optical pulse or changing the amount of spectral dispersion so that spectrally dispersing the another optical pulse provides a change in time duration that is different than the selected change; and outputting (226) another optical output pulse having a second time duration that is responsive to the different change in time duration, the second time duration of the another optical output pulse being different than the first time duration of the optical output pulse.
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/0941 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a semiconductor laser, e.g. of a laser diode
A fiber arrangement, in particular for providing broadband light, preferably in the ultraviolet frequency range, comprises: a hollow core optical fiber (11), and at least one housing (15) having a chamber (27) in which a piezo device (25) is arranged, the piezo device (25) having a variable length and the chamber (27) being in fluid communication with a hollow core (13) of the fiber (11) such that a change of length of the piezo device (25) causes a change of the size of a volume (23) which is provided by the hollow core (13) and the chamber (27) for a fluid, such as a gas or a mixture of gases.
A hollow core photonic crystal fiber (PCF) including an outer cladding region and seven hollow tubes surrounded by the outer cladding region. Each of the hollow tubes is fused to the outer cladding to form a ring defining an inner cladding region and a hollow core region surrounded by the inner cladding region. The hollow tubes are not touching each other but are arranged with distance to adjacent hollow tubes. The hollow tubes each have an average outer diameter d2 and an average inner diameter d1, wherein d1/d2 is equal to or larger than about 0.8, such as equal to or larger than about 0.85, such as equal to or larger than about 0.9. Also, a laser system.
A laser configured to selectively operate in two different operational modes is disclosed. In the first operational mode the laser is configured to output femtosecond laser pulses and in the second operational mode the laser is configured to output nanosecond laser pulses.
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/23 - Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
A61F 9/008 - Methods or devices for eye surgery using laser
H01S 3/11 - Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
Disclosed is an end-cap assembly for a hollow core optical fiber, comprising: an elongated and hollow glass ferrule comprising: a first ferrule-part with a first ferrule-end, and a second ferrule-part with a second ferrule-end, wherein the first ferrule-end is configured to be sealed, and wherein the second ferrule-end is configured to receive a hollow core optical fiber, and wherein the second ferrule-part is configured to fix the hollow core optical fiber.
Disclosed is a system for processing a transparent material, comprising: a laser source configured to generate a laser beam comprising bursts of laser pulses, wherein the pulses are defined by a pulse energy and a pulse repetition rate; one or more focusing element(s) configured to receive the laser beam, and direct the laser beam towards the transparent material, said focusing element(s) comprise(s) a variable focal length configured for being changed from a first focal length to a second focal length along a focus direction, a first controller configured to change the variable focal length in an oscillating manner between the first focal length and the second focal length at a desired control-frequency.
B23K 26/53 - Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
B23K 103/00 - Materials to be soldered, welded or cut
A coherent anti-stokes Raman scattering apparatus for imaging a sample includes an optical output; an optical source arranged to generate a first optical signal at a first wavelength; and a nonlinear element arranged to receive the first optical signal, where the nonlinear element is arranged to cause the first optical signal to undergo four-wave mixing on transmission through the nonlinear element such that a second optical signal at a second wavelength and a third optical signal at a third wavelength are generated, wherein an optical signal pair including two of the first, second and third optical signals is provided to the optical output for imaging the sample.
G02F 1/39 - Non-linear optics for parametric generation or amplification of light, infrared, or ultraviolet waves
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
25.
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
C03C 25/607 - Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface in the gaseous phase
A laser device includes a laser configured to generate laser light and a laser control module configured to receive at least a portion of the laser light generated by the laser, to generate a control signal and to feed the control signal back to the laser for stabilizing the frequency, wherein the laser control module includes a tunable frequency discriminating element which is preferably continuously frequency tunable, and where the laser control module is placed outside the laser cavity.
A photonic crystal fiber (PCF) assembly including a PCF and at least one ferrule structure. The PCF includes a core region and a cladding region and a first fiber end section with a first fiber end. The ferrule structure is mounted to the first fiber end section. The ferrule structure includes an inner ferrule arrangement and an outer ferrule arrangement surrounding the first fiber end section. The inner ferrule arrangement includes an inner ferrule front section proximally to the first fiber end and an inner ferrule rear section distally to the first fiber end, and each of the sections has an inner diameter and in at least a length thereof fully surrounds the PCF. The inner ferrule rear section is anchored in an anchor length section to the first fiber end section and the inner ferrule front section supports the first fiber end section proximally to the first fiber end.
A supercontinuum light source can include a seed laser arranged to provide seed pulses with a pulse frequency Fseed; a pulse frequency multiplier (PFM) arranged to multiply the seed pulses by converting pulses having the pulse frequency Fseed to pump pulses with a pulse frequency Fpump, where Fpump is larger than Fseed; and a non-linear element arranged to receive said pump pulses and convert said pump pulses to pulses of supercontinuum light. The PFM can further include a splitter for splitting pulses into first and second sub beams each having the same pulse frequency, where the PFM is configured such that the sub beams experience different delays; and a combiner for combining said first and second sub beams into a beam having the pulse frequency that is greater than said same pulse frequency. The splitter can have an uneven splitter ratio.
Disclosed is a device for multi-wavelength generation, comprising: a pulsed light source configured to emit a train of light-pulses, wherein each of the light-pulses are defined by a center wavelength having a first pulse duration and a first bandwidth, and a first hollow core optical fiber having a core diameter, d, wherein the first hollow core optical fiber is configured to spectrally broadening the train of light-pulses, thereby generating a train of multi-wavelength-pulses having a plurality of wavelengths, wherein the first hollow core optical fiber has a dispersion that is selected such that the light-pulses are spectrally broadened by primarily self-phase modulation (SPM).
A delivery fiber assembly suitable for delivering broad band light and including a delivery fiber and a connector member. The delivery fiber has a length, an input end for launching light, and a delivery end. The delivery fiber includes along its length a core region and a cladding region surrounding the core region, the cladding region includes a cladding background material having a refractive index Nbg and a plurality of microstructures in the form of inclusions of solid material having refractive index up to Ninc and extending in the length of the longitudinal axis of the delivery fiber, wherein Ninc
G02B 6/024 - Optical fibres with cladding with polarisation-maintaining properties
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
G01B 9/02091 - Tomographic interferometers, e.g. based on optical coherence
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
A light source, including: a pulse generator for providing an initial sequence of light pulses, the initial sequence of light pulses including an initial number of light pulses within a predetermined time period, first and second optical arms, for propagating, respectively, first and second sequences of light pulses, each derived from the initial sequence of light pulses, wherein the first optical arm includes a first manipulator configured to generate the first sequence of light pulses from the initial sequence of light pulses, wherein the light source includes a nonlinear optical element arranged to receive the first sequence of light pulses or the second sequence of light pulses, and an optical switch arranged to switch that either the first sequence of light pulses or the second sequence of light pulses is received by the nonlinear optical element.
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
32.
TUNABLE LASER DEVICE WITH FREQUENCY STABILIZATION AND LOW FREQUENCY-NOISE
Disclosed is a tunable laser device, comprising: a tunable fiber laser and a laser-control module, wherein: the tunable fiber laser is configured to generate laser light having a center wavelength controlled by one or more Bragg grating(s) in a first fiber, and the laser-control module is configured to receive at least a portion of the laser light generated by the tunable fiber laser, to generate a stabilizing control-signal and to feed the control-signal back to the tunable fiber laser for stabilizing the center wavelength, and the laser-control module comprises a wavelength discriminating element comprising an etalon having one or more etalon-resonance(s), wherein the etalon is formed by one or more Bragg grating(s) in a second fiber, such that the etalon-resonances(s) are controlled by the one or more Bragg grating(s) in the second fiber.
An optical source (100) comprising a supercontinuum generation apparatus comprising a pump light source (102), a twisted photonic crystal fibre, PCF, (104) and a wideband quarter-wave retarder (106). The pump light source is arranged to provide circularly polarised pump light. The twisted PCF is arranged to receive the pump light and to convert the pump light into circularly polarised supercontinuum light. The wideband quarter-wave retarder is arranged to convert the circularly polarised supercontinuum light into linearly polarised supercontinuum light. The optical source may additionally comprise a wavelength tunable bandpass optical filter arranged to transmit the linearly polarised supercontinuum light at wavelengths within a selected range.
A depolarizing homogenizer including one or more lenslet arrays, for providing a plurality of beamlets associated with different respective parts of a received beam. The depolarizing homogenizer includes a depolarizer comprising different areas which affect polarization differently, the depolarizer being positioned to cause alteration of the polarization characteristics of at least some of the plurality of beamlets. A lens is arranged to at least partially overlap the beamlets having the altered polarization characteristics.
An optical pulse source (100) comprising: a first laser (110) configured to output laser light at a first wavelength; a second laser (112) configured to output laser light at a second wavelength, different to the first wavelength; optical modulation apparatus (120) configured to apply amplitude modulation to a first one of the laser light at the first wavelength or the laser light at the second wavelength to form first laser light pulses; optical amplification apparatus (130) configured to amplify the first laser light pulses and a second one of the laser light at the first wavelength or the laser light at the second wavelength; and optical frequency conversion apparatus (140) configured to perform optical frequency conversion using the first laser light pulses and the second one of the laser light at the first wavelength or the laser light at the second wavelength to form output laser light pulses at a third wavelength, shorter than the first wavelength and the second wavelength.
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
Disclosed is a supercontinuum system for providing supercontinuum light to an external device and/or an external sample, comprising: a supercontinuum- module configured to generate the supercontinuum light; a spectrometer configured to measure a spectrum of the supercontinuum light or a part thereof; a delivery-fiber for delivering the supercontinuum light, or a part thereof, though the delivery-fiber from an initial input-end to a final output-end.
Disclosed is a tunable supercontinuum system, comprising: a supercontinuum-housing that integrates a supercontinuum-module, a first filter-module, and guiding optics into the supercontinuum-housing.
A supercontinuum source including a pump source and a supercontinuum generator configured for receiving electromagnetic radiation derived from the pump source and for generating supercontinuum radiation, the supercontinuum generator including a nonlinear microstructured optical fibre having a core region comprising silica. The core region includes a dopant selected to reduce light-induced non-bridging oxygen hole centre loss in the nonlinear microstructured optical fibre.
A hollow core photonic crystal fiber (PCF) including an outer cladding region and seven hollow tubes surrounded by the outer cladding region. Each of the hollow tubes is fused to the outer cladding to form a ring defining an inner cladding region and a hollow core region surrounded by the inner cladding region. The hollow tubes are not touching each other but are arranged with distance to adjacent hollow tubes. The hollow tubes each have an average outer diameter d2 and an average inner diameter d1, wherein d1/d2 is equal to or larger than about 0.8, such as equal to or larger than about 0.85, such as equal to or larger than about 0.9. Also, a laser system.
A wavelength-stabilised narrow-linewidth mode-locked picosecond laser system comprises a laser cavity which includes an amplifier, a mode-locking element, and a fiber Bragg grating which acts as a narrowband reflector. The system includes a mount to which the fiber Bragg grating is mounted under tension, a tension control system to adjust the tension, and a measurement device to provide a measurement output related to a current operating wavelength of the fiber Bragg grating. A microcontroller or other controller wavelength-stabilises the laser by controlling the tension control system responsive to the measured wavelength.
H01S 3/105 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity
H01S 3/1055 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity one of the reflectors being constituted by a diffraction grating
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
H01S 3/139 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity
H01S 3/23 - Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
A microstructured optical fiber including a core region and a cladding region which surrounds the core region. The cladding region includes a plurality of cladding features within a cladding background material, wherein the cladding region includes an inner cladding region with at least one inner ring of cladding features and an outer cladding region with at least three outer cladding rings of outer cladding features. The inner cladding features have a first characteristic diameter and the outer cladding region includes a plurality of outer cladding features having a characteristic diameter smaller than the first characteristic diameter. The first characteristic diameter is at least about 10% larger than an average diameter of the outer cladding features and the core region has a diameter of at least about 2 μm. A cascade optical fiber with at least one fiber as described, as well as a source of optical supercontinuum generation.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources for non-medical use, namely tunable light
sources for quality control, industrial metrology, product
characterization, product inspection, product sorting;
scientific instrumentation, plasmonics, metamaterials, and
optical characterization, in particular for spectroscopy and
spectrophotometry; light sources for non-medical use namely
a tunable filter for controlling the spectral properties of
the output from a light source for quality control,
industrial metrology, product characterization, product
inspection, product sorting; scientific instrumentation,
plasmonics, metamaterials, and optical characterization, in
particular for spectroscopy and spectrophotometry; broadband
light sources, supercontinuum light sources, lasers, laser
amplifiers, lasers providing single-mode output and optical
fiber based light sources; monitoring systems including
light sources for non-medical use, in particular tunable
light sources, and structural components thereof, for
quality control, industrial metrology, product
characterization, product inspection, product sorting;
analysis systems including light sources for non-medical
use, in particular tunable light sources, and structural
components thereof, for scientific instrumentation,
plasmonics, metamaterials, and optical characterization, in
particular for spectroscopy and spectrophotometry;
components for modifying and controlling the output of a
light source, in particular filters for modifying the
spectral properties of a broadband spectrum provided by a
light source; detectors for detecting broadband light
signals; Graphical User Interface (GUI) software for
controlling a tunable light source, in particular a tunable
broadband or supercontinuum light source; graphical user
interface software for controlling the spectral filters of a
tunable light source. Light sources for medical use, in particular tunable light
sources; light sources including a tunable filter for
controlling the spectral properties of the output from a
light source for medical use; broadband light sources,
supercontinuum light sources, lasers, laser amplifiers,
lasers providing single-mode output and optical fiber based
light sources for medical use; imaging systems including
light sources for medical use, in particular tunable light
sources, and structural components thereof for biomedical
imaging, Microscopy, Fluorescence lifetime measurements,
ophthalmology, optical coherence tomography, and optical
characterization, in particular for spectroscopy and
spectrophotometry; components for modifying and controlling
the output of a light source for medical use, in particular
filters for modifying the spectral properties of a broadband
spectrum provided by a light source; detectors for detecting
broadband light signals for medical use.
43.
OPTICAL PULSE BURST FORMATION APPARATUS AND METHOD
An optical pulse generator arranged to generate an initial sequence of optical pulses having an initial inter-pulse period; and an optical pulse burst formation apparatus including: an interleaving stage to receive an initial sequence of optical pulses having an initial inter-pulse period, including: an optical splitter to power split received optical pulses, thereby generating a first and second replica sequences of optical pulses; a first optical arm to receive the first replica sequence, having a first optical path length; and a second optical arm to receive the second replica sequence, having a second optical path length, different to the first optical path length by a path length difference; and an optical combiner arranged to combine the first replica sequence of pulses and the second replica sequence of delayed pulses to form an output sequence of optical pulse bursts.
An optical fiber having an axial direction and a cross section perpendicular to the axial direction, and a method and preform for producing such an optical fiber. The optical fiber is adapted to guide light at a wavelength λ, and includes a core region, an inner cladding region surrounding said core region, and at least one of a first type of feature including a void and a surrounding first silica material. The core, the inner cladding region and the first type of feature extends along said axial direction over at least a part of the length of the optical fiber. The first silica material has a first chlorine concentration of about 300 ppm or less.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources for non-medical use, namely, tunable light sources in the nature of lasers for quality control and industrial metrology, product characterization, product inspection, product sorting; scientific instrumentation, plasmonics, metamaterials, and optical characterization, in particular for spectroscopy and spectrophotometry; light sources for non-medical use, namely, a tunable filter for controlling the spectral properties of the output from a light source in the nature of lasers for quality control, industrial metrology, product characterization, product inspection, product sorting; broadband light sources, namely, broadband lasers not for medical use; supercontinuum light sources, namely, supercontinuum lasers not for medical use; lasers not for medical purposes; laser amplifiers not for medical purposes; lasers not for medical purposes for providing single-mode output and optical fiber based light sources; monitoring systems comprised of light sources for non-medical use, in particular tunable light sources in the nature of lasers, and structural components thereof, for quality control, industrial metrology, product characterization, product inspection, product sorting, specifically, optical filters for modifying the properties of a broadband spectrum provided by a light source from a laser; analysis systems comprised of light sources for nonmedical use, in particular tunable light sources in the nature of lasers and structural components thereof, for scientific instrumentation, plasmonics, metamaterials, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source, in particular filters for modifying the spectral properties of a broadband spectrum provided by a light source; detectors for detecting broadband light signals; downloadable Graphical User Interface (GUI) software for controlling a tunable light source, in particular a tunable broadband or supercontinuum light source; downloadable graphical user interface software for controlling the spectral filters of a tunable light source Light sources for medical use, in particular tunable light sources, specifically, lasers for medical use; light sources containing a tunable filter for controlling the spectral properties of the output from a light source for medical use, specifically, lasers for medical use; broadband light sources, namely, broadband lasers for medical use; supercontinuum light sources, namely, supercontinuum lasers for medical use; lasers for medical use; laser amplifiers for medical use; lasers for medical use for providing single-mode output and optical fiber based light sources for medical use; imaging systems comprised of light sources for medical use, in particular tunable light sources in the nature of turntable lasers for medical use, and structural components thereof for biomedical imaging, microscopy, fluorescence lifetime measurements, ophthalmology, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source for medical use, in particular filters for modifying the spectral properties of a broadband spectrum provided by a light source from a laser; detectors for detecting broadband light signals for medical use
46.
Optical source and supercontinuum light generation apparatus
An optical source including a supercontinuum generation apparatus including a pump light source, a twisted photonic crystal fibre, PCF, and a wideband quarter-wave retarder. The pump light source is arranged to provide circularly polarised pump light. The twisted PCF is arranged to receive the pump light and to convert the pump light into circularly polarised supercontinuum light. The wideband quarter-wave retarder is arranged to convert the circularly polarised supercontinuum light into linearly polarised supercontinuum light. The optical source may additionally include a wavelength tunable bandpass optical filter arranged to transmit the linearly polarised supercontinuum light at wavelengths within a selected range.
A light source, including: a pulse generator for providing an initial sequence of light pulses, the pulse generator including an optical source for producing optical pulses; and a modulator in communication with the optical source for increasing or decreasing the selected number of pulses provided by the pulse generator in the selected time period; first and second optical arms, for propagating, respectively, first and second sequences of light pulses, wherein the first optical arm includes a first manipulator configured to generate the first sequence of light pulses from the initial sequence of light pulses, wherein the light source includes a nonlinear optical element arranged to receive the first sequence of light pulses or the second sequence of light pulses, and an optical switch arranged to switch either the first sequence of light pulses or the second sequence of light pulses for reception by the nonlinear optical element.
A light source including: a pulse generator for providing a first sequence of light pulses, the first sequence of light pulses including a first number of light pulses within a predetermined time period, a manipulator configured to generate a second sequence of light pulses from the first sequence of light pulses, the second sequence of light pulses having a second number of light pulses within the predetermined time period, the second number being different from the first number, and a nonlinear optical element arranged to receive the second sequence of light pulses.
G02F 1/365 - Non-linear optics in an optical waveguide structure
G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/10 - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/13 - Stabilisation of laser output parameters, e.g. frequency or amplitude
A hollow core photonic crystal fiber (PCF) including an outer cladding region and seven hollow tubes surrounded by the outer cladding region. Each of the hollow tubes is fused to the outer cladding to form a ring defining an inner cladding region and a hollow core region surrounded by the inner cladding region. The hollow tubes are not touching each other, but are arranged with distance to adjacent hollow tubes. The hollow tubes each have an average outer diameter d2 and an average inner diameter d1, wherein d1/d2 is equal to or larger than about 0.8, such as equal to or larger than about 0.85, such as equal to or larger than about 0.9. Also, a laser system.
An optical fiber for guiding an optical signal, said optical fiber having a longitudinal, optical axis (A) and a cross section perpendicular thereto, said optical fiber comprises: a core region (2) being capable of guiding an optical signal in a fundamental core mode with an effective refractive index, nc, at an optical signal wavelength, λ1; a cladding region surrounding the core region, the cladding region comprising an inner cladding region (3) and an outer cladding region (6), said inner cladding region comprising a background material having a refractive index, nb, and a plurality of inner cladding features arranged in said background material, wherein a plurality of said plurality of inner cladding features are of a first type of feature (4), said first type of feature comprising an air hole surrounded by a high-index region comprising a high-index material having a refractive index, nr, that is larger than the refractive index of the inner cladding background material, said first type of feature supports an optical mode with an effective refractive index, n1, which is lower than or equal to the effective refractive index of the fundamental core mode, nc, at said optical signal wavelength, λ1, wherein a plurality of said plurality of inner cladding features are of a second type of feature (5) comprising an air hole in direct contact with the background material having a refractive index, nb, and wherein said inner cladding features are arranged in a substantially hexagonal lattice and the six nearest neighbors surrounding a first type of feature are of said second type of feature, and wherein no first type of feature is surrounded by less than six nearest neighbors of the second type of feature.
anneal; pumping the fiber with radiation; and reducing the temperature of the fiber and storing the fiber at the reduced temperature before the step of pumping the fiber; and wherein the method allows the hydrogen and the deuterium to become bound to the core material and the cladding material.
G02F 1/365 - Non-linear optics in an optical waveguide structure
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
G02B 6/42 - Coupling light guides with opto-electronic elements
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
An optical fiber having an axial direction and a cross section perpendicular to the axial direction, and a method and preform for producing such an optical fiber. The optical fiber is adapted to guide light at a wavelength λ, and includes a core region, an inner cladding region surrounding said core region, and at least one of a first type of feature including a void and a surrounding first silica material. The core, the inner cladding region and the first type of feature extends along said axial direction over at least a part of the length of the optical fiber. The first silica material has a first chlorine concentration of about 300 ppm or less.
A light system having a light supply arrangement, a Homogenizing Light Pipe (HLP) and a fiber bundle. The light supply arrangement includes a light source and is arranged to supply light to an input end of the HLP. The HLP is configured for scrambling the received light and for delivering a beam of light to a common packed input end of the fiber bundle.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 9/40 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
54.
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
C03C 25/607 - Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface in the gaseous phase
A fiber arrangement, in particular for providing broadband light, preferably in the ultraviolet frequency range, comprises: a hollow core optical fiber (11), and at least one housing (15) having a chamber (27) in which a piezo device (25) is arranged, the piezo device (25) having a variable length and the chamber (27) being in fluid communication with a hollow core (13) of the fiber (11) such that a change of length of the piezo device (25) causes a change of the size of a volume (23) which is provided by the hollow core (13) and the chamber (27) for a fluid, such as a gas or a mixture of gases.
Disclosed is an optical system for monitoring a parameter, such as a density or a pressure, of a fluid, in particular a gas or a mixture of gases, in a hollow core of an optical fiber, wherein the optical system comprises: an optical fiber which comprises a hollow core that is filled with a fluid, a pulsed laser for providing pulsed laser light, which is input into a first end of the optical fiber such that the laser light propagates through the hollow core from the first end to a second end of the fiber, wherein the pulsed laser light is configured to induce nonlinear processes by interacting with the fluid in the hollow core, and wherein the optical system further comprises a monitoring device for detecting acoustic vibrations in the fiber and for determining a parameter of the fluid based on the acoustic vibrations.
A microstructured optical fiber for generating supercontinuum light. The optical fiber includes a core and a cladding region surrounding the core. The optical fiber includes a first fiber length section, a second fiber length section as well as an intermediate fiber length section between said first and second fiber length sections. The first fiber length section has a core with a first characteristic core diameter larger than about 7 μm. The second fiber length section has a core with a second characteristic core diameter, smaller than said first characteristic core diameter. The intermediate length section of the optical fiber includes a core which is tapered from said first characteristic core diameter to the second characteristic core diameter over a tapered length. Also, a supercontinuum light source including an optical fiber and a pump light source.
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/0941 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a semiconductor laser, e.g. of a laser diode
H01S 3/113 - Q-switching using intracavity saturable absorbers
H01S 3/131 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
A photonic crystal fiber (PCF) assembly including a PCF and at least one ferrule structure. The PCF includes a core region and a cladding region and a first fiber end section with a first fiber end. The ferrule structure is mounted to the first fiber end section. The ferrule structure includes an inner ferrule arrangement and an outer ferrule arrangement surrounding the first fiber end section. The inner ferrule arrangement includes an inner ferrule front section proximally to the first fiber end and an inner ferrule rear section distally to the first fiber end, and each of the sections has an inner diameter and in at least a length thereof fully surrounds the PCF. The inner ferrule rear section is anchored in an anchor length section to the first fiber end section and the inner ferrule front section supports the first fiber end section proximally to the first fiber end.
seed; and a non-linear element arranged to receive said pump pulses and convert said pump pulses to pulses of supercontinuum light. The PFM can further include a splitter for splitting pulses into first and second sub beams each having the same pulse frequency, where the PFM is configured such that the sub beams experience different delays; and a combiner for combining said first and second sub beams into a beam having the pulse frequency that is greater than said same pulse frequency. The splitter can have an uneven splitter ratio.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources for non-medical use, namely tunable light sources for quality control, industrial metrology, product characterization, product inspection, product sorting; scientific instrumentation, plasmonics, metamaterials, and optical characterization, in particular for spectroscopy and spectrophotometry; light sources for non-medical use namely a tunable filter for controlling the spectral properties of the output from a light source for quality control, industrial metrology, product characterization, product inspection, product sorting; scientific instrumentation, plasmonics, metamaterials, and optical characterization, in particular for spectroscopy and spectrophotometry; broadband light sources, supercontinuum light sources, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; monitoring systems including light sources for non-medical use, in particular tunable light sources, and structural components thereof, for quality control, industrial metrology, product characterization, product inspection, product sorting; analysis systems including light sources for non-medical use, in particular tunable light sources, and structural components thereof, for scientific instrumentation, plasmonics, metamaterials, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source, in particular filters for modifying the spectral properties of a broadband spectrum provided by a light source; detectors for detecting broadband light signals; Graphical User Interface (GUI) software for controlling a tunable light source, in particular a tunable broadband or supercontinuum light source; graphical user interface software for controlling the spectral filters of a tunable light source. Light sources for medical use, in particular tunable light sources; light sources including a tunable filter for controlling the spectral properties of the output from a light source for medical use; broadband light sources, supercontinuum light sources, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources for medical use; imaging systems including light sources for medical use, in particular tunable light sources, and structural components thereof for biomedical imaging, Microscopy, Fluorescence lifetime measurements, ophthalmology, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source for medical use, in particular filters for modifying the spectral properties of a broadband spectrum provided by a light source; detectors for detecting broadband light signals for medical use.
A hollow core photonic crystal fiber (PCF) including an outer cladding region and seven hollow tubes surrounded by the outer cladding region. Each of the hollow tubes is fused to the outer cladding to form a ring defining an inner cladding region and a hollow core region surrounded by the inner cladding region. The hollow tubes are not touching each other, but are arranged with distance to adjacent hollow tubes. The hollow tubes each have an average outer diameter d2 and an average inner diameter d1, wherein d1/d2 is equal to or larger than about 0.8, such as equal to or larger than about 0.85, such as equal to or larger than about 0.9. Also, a laser system.
A laser device includes a laser configured to generate laser light and a laser control module configured to receive at least a portion of the laser light generated by the laser, to generate a control signal and to feed the control signal back to the laser for stabilizing the frequency, wherein the laser control module includes a tunable frequency discriminating element which is preferably continuously frequency tunable, and where the laser control module is placed outside the laser cavity.
bg. The plurality of inclusions in the cladding region is arranged in a cross-sectional pattern including at least two rings of inclusions surrounding the core region. The connector member is mounted to the delivery fiber at a delivery end section of the delivery fiber including the delivery end.
G02B 6/024 - Optical fibres with cladding with polarisation-maintaining properties
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
G01B 9/02091 - Tomographic interferometers, e.g. based on optical coherence
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Machine tools, in particular for processing materials by
means of a laser; mechanical installations, namely for
processing materials by means of a laser. Lasers or laser amplifiers for non-medical use, in
particular for applications within manufacturing, material
processing, optical pumping and LIDAR (Light Detection and
Ranging); lasers for non-medical use, in particular lasers
providing fs-, ps- or ns pulses, high-power lasers, fiber
lasers and narrow linewidth lasers; laser amplifiers for
non-medical use, in particular laser amplifiers based on
optical fiber amplifier modules; modules for second-harmonic
generation; computer programs and software for controlling a
laser or a laser amplifier; accessories and fittings for the
aforesaid goods included in this class. Lasers or laser amplifiers for medical use, in particular
for applications within optogenetics, ophthalmology or
biomedical imaging; pulsed lasers for medical use, in
particular lasers providing fs-, ps- or ns pulses;
high-power lasers for medical use; fiber lasers for medical
use; narrow linewidth lasers for medical use; laser
amplifiers for medical use, in particular laser amplifiers
based on optical fiber amplifier modules; modules for
second-harmonic generation for medical use; accessories and
fittings for the aforesaid goods included in this class.
65.
Source of supercontinuum radiation and microstructured fiber
A microstructured optical fiber having a length and a longitudinal axis along its length, the finer including a core region capable of guiding light along the longitudinal axis and a cladding region which surrounds the core region, the cladding region comprising a cladding background material and a plurality of cladding features within the cladding background material, the cladding features being arranged around the core region, wherein the cladding region comprises an inner cladding region comprising an innermost ring of cladding features and an outer cladding region comprises outer cladding rings of outer cladding features, the innermost ring consisting of those cladding features being closest to the core region, wherein the rings of cladding features each comprise bridges of cladding background material separating adjacent features of the ring, wherein the bridges of the innermost ring have an average minimum width (w1), the minimum width of a bridge of a ring being the shortest distance between two adjacent features of the ring; and wherein at least one outer cladding ring has an average minimum width (w2) of bridges that is larger than the average minimum width (w1) of the bridges of the innermost ring. Also described are a cascade optical fiber with at least one fiber as described, as well as a source of supercontinuum radiation.
A photonic crystal fiber (PCF) assembly including a PCF and at least one ferrule structure. The PCF includes a core region and a cladding region and a first fiber end section with a first fiber end. The ferrule structure is mounted to the first fiber end section. The ferrule structure includes an inner ferrule arrangement and an outer ferrule arrangement surrounding the first fiber end section. The inner ferrule arrangement includes an inner ferrule front section proximally to the first fiber end and an inner ferrule rear section distally to the first fiber end, and each of the sections has an inner diameter and in at least a length thereof fully surrounds the PCF. The inner ferrule rear section is anchored in an anchor length section to the first fiber end section and the inner ferrule front section supports the first fiber end section proximally to the first fiber end.
Optical pulse burst formation apparatus (100) comprising: an interleaving stage (110) to receive an initial sequence (120) of optical pulses having an initial inter-pulse period, comprising: an optical splitter (112) to power split received optical pulses, thereby generating a first and second replica sequences of optical pulses; a first optical arm (114) to receive the first replica sequence, having a first optical path length; and a second optical arm (116) to receive the second replica sequence, having a second optical path length, different to the first optical path length by a path length difference, the path length difference configured to apply a time delay to the pulses of the second replica sequence such that a relative time delay of that is substantially less than half the initial inter-pulse period is introduced between pulses of the first replica sequence and pulses of the second replica sequence; and an optical combiner (118) arranged to combine the first replica sequence of pulses and the second replica sequence of delayed pulses to form an output sequence (122) of optical pulse bursts, each burst comprising a pulse of the first replica sequence and a delayed pulse of the second replica sequence.
An optical source (100) comprising a supercontinuum generation apparatus comprising a pump light source (102), a twisted photonic crystal fibre, PCF, (104) and a wideband quarter-wave retarder (106). The pump light source is arranged to provide circularly polarised pump light. The twisted PCF is arranged to receive the pump light and to convert the pump light into circularly polarised supercontinuum light. The wideband quarter-wave retarder is arranged to convert the circularly polarised supercontinuum light into linearly polarised supercontinuum light. The optical source may additionally comprise a wavelength tunable bandpass optical filter arranged to transmit the linearly polarised supercontinuum light at wavelengths within a selected range.
A coherent anti-stokes Raman scattering apparatus for imaging a sample includes an optical output; an optical source arranged to generate a first optical signal at a first wavelength; and a nonlinear element arranged to receive the first optical signal, where the nonlinear element is arranged to cause the first optical signal to undergo four-wave mixing on transmission through the nonlinear element such that a second optical signal at a second wavelength and a third optical signal at a third wavelength are generated, wherein an optical signal pair including two of the first, second and third optical signals is provided to the optical output for imaging the sample.
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
G02F 1/39 - Non-linear optics for parametric generation or amplification of light, infrared, or ultraviolet waves
A preform element, its production, and fiber production methods from preform assemblies. The preform element has a length and a center axis along its length, a first and second end defined by its length and an outer preform element surface. The preform element includes a plurality of longitudinal structures disposed to form longitudinal hole(s) in a background material. At least one slot extending from its outer preform element surface and intersecting at least one of the longitudinal holes, wherein the at least one slot does not fully intersect the preform element. The preform element may be a preform center element or a preform ring element and may be assembled to a form part of a preform assembly for an optical fiber.
C03C 25/607 - Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface in the gaseous phase
A light source assembly having N outputs, the assembly including: a light source arrangement arranged for supplying light to M inputs, where M an N independently of each other are integers and where M≥2 and M≥N; at least one optical couplers, each having at least one input arm and a plurality of output arms; and an integer number, P, of mode scramblers. The light source arrangement may include a broadband light source and a multimode coupler configured for receiving one or more light beams from the light source arrangement, wherein the one or more light beams being derived from the broadband light source and wherein a mode scrambler is arranged for mode scrambling one of said light beams before it enters the multimode coupler.
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
G02F 1/125 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves in an optical waveguide structure
A light source comprises: a pulse generator (11) for providing a first sequence (13) of light pulses, the first sequence (13) of light pulses comprising a first number of light pulses within a predetermined time period, a manipulator (15) configured to generate a second sequence (17) of light pulses from the first sequence (13) of light pulses, the second sequence (17) of light pulses having a second number of light pulses within the predetermined time period, the second number being different from the first number, and a nonlinear optical element (19) arranged to receive the second sequence (17) of light pulses.
A light source (1), comprising: a pulse generator (2) for providing an initial sequence of light pulses (5), the initial sequence of light pulses having a selected number of light pulses in a selected time period, the pulse generator further comprising an optical source (3) for producing optical pulses; and a modulator (4) in communication with the optical source (3) for increasing or decreasing the selected number of pulses provided by the pulse generator in the selected time period; first and second optical arms (7,8), for propagating, respectively, first and second sequences of light pulses (10,11), each derived from the initial sequence of light pulses (5), wherein the first optical arm (7) comprises a first manipulator (9) configured to generate the first sequence of light pulses (10) from the initial sequence of light pulses (5), the first sequence of light pulses (10) having a first number of light pulses within the selected time period, wherein the first number is higher than the initial number, wherein the second sequence of light pulses (11) has a second number of light pulses within the selected time period, wherein the second number is different than or equal to the initial number, wherein the light source further comprises a nonlinear optical element (14) arranged to receive the first sequence of light pulses (10) or the second sequence of light pulses (11), and an optical switch (6) arranged to switch either the first sequence of light pulses (10) or the second sequence of light pulses(11) for reception by the nonlinear optical element (14).
A light source (1), comprising: a pulse generator (2) for providing an initial sequence of light pulses (3), the initial sequence of light pulses (3) comprising an initial number of light pulses within a predetermined time period, first and second optical arms, for propagating, respectively, first and second sequences of light pulses, each derived from the initial sequence of light pulses, wherein the first optical arm (5) comprises a first manipulator (7) configured to generate the first sequence of light pulses (9) from the initial sequence of light pulses (3), the first sequence of light pulses (9) having a first number of light pulses within the predetermined time period, wherein the first number is higher than the initial number, wherein the second sequence of light pulses (10) has a second number of light pulses within the predetermined time period, wherein the second number is equal to or lower than the initial number, wherein the light source further comprises a nonlinear optical element (13) arranged to receive the first sequence of light pulses (9) or the second sequence of light pulses (10), and an optical switch (4) arranged to switch that either the first sequence of light pulses or the second sequence of light pulses is received by the nonlinear optical element.
bg and the plurality of inclusions in the cladding region is arranged in a cross-sectional pattern comprising at least two rings of inclusions surrounding the core region. The connector is mounted to the delivery fiber at a delivery end section of the delivery fiber comprising said delivery end. The delivery fiber has a transmission bandwidth of about 200 nm or more, such as of about 300 nm or more, such as of about 400 nm or more, such as of about 500 nm or more.
G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
The invention relates to a supercontinuum light source comprising a microstructured optical fiber and a pump light source. The microstructured optical fiber comprises a core and a cladding region surrounding the core, as well as a first fiber length section, a second fiber length section and an intermediate fiber length section between said first and second fiber length sections. The first fiber length section comprises a core with a first characteristic core diameter. The second fiber length section comprises a core with a second characteristic core diameter, smaller than said first characteristic core diameter, where said second characteristic core diameter is substantially constant along said second fiber length section. The intermediate length section of the optical fiber comprises a core which is tapered from said first characteristic core diameter to said second characteristic core diameter over a tapered length.
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/0941 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a semiconductor laser, e.g. of a laser diode
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S 3/11 - Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
H01S 3/113 - Q-switching using intracavity saturable absorbers
H01S 3/131 - Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
C03C 25/607 - Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface in the gaseous phase
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lasers or laser amplifiers for non-medical use, in
particular for applications within manufacturing, material
processing, optical pumping and LIDAR; lasers for
non-medical use, in particular lasers providing fs-, ps- or
ns pulses (femtosecond, picosecond or nanosecond pulses),
high-power lasers, narrow linewidth lasers and fiber lasers;
laser amplifiers for non-medical use, in particular laser
amplifiers based on optical fiber amplifier modules; modules
for second-harmonic generation; amplifier modules for
amplifying light, in particular for amplifying laser light;
amplifier modules based on optical fibers, in particular
photonic crystal fibers including rare earth dopants such as
ytterbium, erbium, or tellurium; amplifier modules for
amplification of fs-, ps- and ns pulses (femtosecond,
picosecond or nanosecond pulses); amplifier modules for OEM
(original equipment manufacturer) integration and scientific
laboratory setups; active optical fibers, in particular rare
earth doped double-clad optical fibers; amplifier medium for
high power amplifiers; computer programs and software for
controlling a laser or a laser amplifier; accessories and
fittings for the aforesaid goods included in this class. Lasers or laser amplifiers for medical use, in particular
for applications within optogenetics, ophthalmology or
biomedical imaging; pulsed lasers for medical use, in
particular lasers providing fs-, ps- or ns pulses
(femtosecond, picosecond or nanosecond pulses); high-power
lasers for medical use; fiber lasers for medical use; narrow
linewidth lasers for medical use; modules for
second-harmonic generation for medical use; laser amplifiers
for medical use, in particular laser amplifiers based on
optical fiber amplifier modules; amplifier modules for
amplifying light, in particular for amplifying laser light,
all the aforesaid for medical use; amplifier modules based
on optical fibers, in particular photonic crystal fibers
including rare earth dopants such as ytterbium, erbium, or
tellurium; all the aforesaid for medical use; amplifier
modules for amplification of fs-, ps- and ns pulses
(femtosecond, picosecond or nanosecond pulses) all the
aforesaid for medical use; amplifier modules for OEM
(original equipment manufacturer) integration and scientific
laboratory setups all the aforesaid for medical use; active
optical fibers, in particular rare earth doped double-clad
optical fibers; amplifier medium for high power amplifiers,
all the aforesaid for medical use; amplifier modules for
medical use; accessories and fittings for the aforesaid
goods included in this class.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Machine tools, in particular for processing materials by
means of a laser; mechanical installations, in particular
for processing materials by means of a laser. Lasers or laser amplifiers for non-medical use, in
particular for applications within manufacturing, material
processing, optical pumping and lidar; lasers for
non-medical use, in particular lasers providing fs-, ps- or
ns pulses, high-power lasers, fiber lasers and narrow
linewidth lasers; laser amplifiers for non-medical use, in
particular laser amplifiers based on optical fiber amplifier
modules; modules for second-harmonic generation; computer
programs and software for controlling a laser or a laser
amplifier; accessories and fittings for the aforesaid goods
included in this class. Lasers or laser amplifiers for medical use, in particular
for applications within optogenetics, ophthalmology or
biomedical imaging; pulsed lasers for medical use, in
particular lasers providing fs-, ps- or ns pulses;
high-power lasers for medical use; fiber lasers for medical
use; narrow linewidth lasers for medical use; laser
amplifiers for medical use, in particular laser amplifiers
based on optical fiber amplifier modules; modules for
second-harmonic generation for medical use; accessories and
fittings for the aforesaid goods included in this class.
A photonic crystal fiber (PCF) assembly including a PCF and at least one ferrule structure. The PCF includes a core region and a cladding region and a first fiber end section with a first fiber end. The ferrule structure is mounted to the first fiber end section. The ferrule structure includes an inner ferrule arrangement and an outer ferrule arrangement surrounding the first fiber end section. The inner ferrule arrangement includes an inner ferrule front section proximally to the first fiber end and an inner ferrule rear section distally to the first fiber end, and each of the sections has an inner diameter and in at least a length thereof fully surrounds the PCF. The inner ferrule rear section is anchored in an anchor length section to the first fiber end section and the inner ferrule front section supports the first fiber end section proximally to the first fiber end.
09 - Scientific and electric apparatus and instruments
Goods & Services
Optical fibers for guiding light, in particular for light
transport and beam delivery; broadband single-mode optical
fibers; large mode area optical fibers for high power
handling with low nonlinear effects; photonic crystal
fibers, photonic crystal fibers with airholes sealed at
fiber ends; connectorized optical fibers; patch cords
containing such optical fibers.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources in the form of lasers for non-medical use, in
particular broadband lasers, supercontinuum lasers, lasers,
laser amplifiers, lasers providing single-mode output and
optical fiber based light sources; light sources in the form
of lasers, laser systems including light sources in the form
of lasers and structural components thereof for quality
control, industrial metrology, product characterization,
product inspection, product sorting, scientific
instrumentation, biomedical imaging, ophthalmology, optical
coherence tomography, and optical characterization, in
particular for spectroscopy and spectrophotometry; parts,
accessories and fittings for the aforesaid goods; components
for modifying and controlling the output of a light source
from a laser, in particular filters for modifying the
properties of a broadband spectrum provided by a light
source from a laser; detectors for detecting broadband light
signals. Light sources in the form of lasers for medical use, in
particular in particular broadband lasers, supercontinuum
lasers, lasers, laser amplifiers, lasers providing
single-mode output and optical fiber based light sources;
light sources in the form of lasers for medical use, systems
including light sources in the form of lasers and structural
components thereof for biomedical imaging, ophthalmology,
optical coherence tomography, and optical characterization,
in particular for spectroscopy and spectrophotometry; parts,
accessories and fittings for the aforesaid goods.
84.
OPTICAL MEASUREMENT FOR ILLUMINATING A SAMPLE WITH FILTERED LIGHT AND MEASURING FLUORESCENCE FROM THE SAMPLE
An optical measurement system for illuminating a sample with filtered light and measuring fluorescence from the sample, which system includes a broadband light source arranged to provide a broadband beam; a first tunable element arranged to filter at least a portion of the broadband beam thereby providing filtered light; and a control unit arranged to provide a control signal to said first tunable element, wherein the first tunable element includes an acousto-optic filter (AOTF) and the control signal to the AOTF includes an acoustic RF signal provided by a Voltage Controlled Oscillator (VCO) arranged so the AOTF provides an out-of-band suppression of more than or equal to 25 dB.
G02F 1/11 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources in the form of lasers for non-medical use, in
particular broadband lasers, supercontinuum lasers, lasers,
laser amplifiers, lasers providing single-mode output and
optical fiber based light sources; light sources in the form
of lasers, laser systems including light sources in the form
of lasers and structural components thereof for quality
control, industrial metrology, product characterization,
product inspection, product sorting, scientific
instrumentation, biomedical imaging, ophthalmology, optical
coherence tomography, and optical characterization, in
particular for spectroscopy and spectrophotometry; parts,
accessories and fittings for the aforesaid goods; components
for modifying and controlling the output of a light source
from a laser, in particular filters for modifying the
properties of a broadband spectrum provided by a light
source from a laser; detectors for detecting broadband light
signals. Light sources in the form of lasers for medical use, in
particular in particular broadband lasers, supercontinuum
lasers, lasers, laser amplifiers, lasers providing
single-mode output and optical fiber based light sources;
light sources in the form of lasers for medical use, systems
including light sources in the form of lasers and structural
components thereof for biomedical imaging, ophthalmology,
optical coherence tomography, and optical characterization,
in particular for spectroscopy and spectrophotometry; parts,
accessories and fittings for the aforesaid goods.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources in the form of lasers for non-medical use, in
particular broadband lasers, supercontinuum lasers, lasers,
laser amplifiers, lasers providing single-mode output and
optical fiber based light sources; light sources in the form
of lasers, laser systems including light sources in the form
of lasers and structural components thereof for quality
control, industrial metrology, product characterization,
product inspection, product sorting, scientific
instrumentation, biomedical imaging, ophthalmology, optical
coherence tomography, and optical characterization, in
particular for spectroscopy and spectrophotometry; parts,
accessories and fittings for the aforesaid goods; components
for modifying and controlling the output of a light source
from a laser, in particular filters for modifying the
properties of a broadband spectrum provided by a light
source from a laser; detectors for detecting broadband light
signals. Light sources in the form of lasers for medical use, in
particular in particular broadband lasers, supercontinuum
lasers, lasers, laser amplifiers, lasers providing
single-mode output and optical fiber based light sources;
light sources in the form of lasers for medical use, systems
including light sources in the form of lasers and structural
components thereof for biomedical imaging, ophthalmology,
optical coherence tomography, and optical characterization,
in particular for spectroscopy and spectrophotometry; parts,
accessories and fittings for the aforesaid goods.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Machine tools, in particular for processing materials by means of a laser; mechanical installations, namely for processing materials by means of a laser. Lasers or laser amplifiers for non-medical use, in particular for applications within manufacturing, material processing, optical pumping and LIDAR (Light Detection and Ranging); lasers for non-medical use, in particular lasers providing fs-, ps- or ns pulses, high-power lasers, fiber lasers and narrow linewidth lasers; laser amplifiers for non-medical use, in particular laser amplifiers based on optical fiber amplifier modules; modules for second-harmonic generation; computer programs and software for controlling a laser or a laser amplifier; accessories and fittings for the aforesaid goods included in this class. Lasers or laser amplifiers for medical use, in particular for applications within optogenetics, ophthalmology or biomedical imaging; pulsed lasers for medical use, in particular lasers providing fs-, ps- or ns pulses; high-power lasers for medical use; fiber lasers for medical use; narrow linewidth lasers for medical use; laser amplifiers for medical use, in particular laser amplifiers based on optical fiber amplifier modules; modules for second-harmonic generation for medical use; accessories and fittings for the aforesaid goods included in this class.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lasers and laser amplifiers for non-medical use; kinematic
mounting of assembly of optical components to laser housing;
thermal control of assembly of optical components in laser;
mount-free arrangement of optical components in laser;
lasers and structural components thereof for cutting and
otherwise machining mechanical and electrical products, such
as lasers for thin film cutting, glass cutting, cutting of
stents and other medical devices, IC package cutting,
scribing, and material processing; lasers for pumping of
optical parametric amplifiers; computer software for
laser-based systems for industrial manufacturing; laser beam
controls; hardware and software for controlling lasers,
laser beams and machines incorporating lasers and laser
beams; parts and fittings for the aforesaid goods. Lasers for medical purposes.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Machine tools, in particular for processing materials in the nature of glass, plastics, film, metals, ceramics, textiles, leather, paper and wood by means of a laser; mechanical installations, namely, micromachining installations in particular for processing glass, plastics, film, metals, ceramics, textiles, leather, paper and wood by means of a laser Lasers and laser amplifiers for non-medical use, in particular for applications within manufacturing, material processing, optical pumping and lidar; lasers for non-medical use, in particular lasers providing femtosecond, picosecond and nanosecond pulses, high-power lasers, fiber lasers and narrow linewidth lasers; laser amplifiers for non-medical use, in particular laser amplifiers based on optical fiber amplifier modules; harmonic generation modules, in the nature of optical systems comprised mainly of mirrors, optical filters and nonlinear optical elements, for second-harmonic generation; downloadable and recorded computer programs and software for controlling a laser or a laser amplifier Lasers and laser amplifiers for medical use, in particular for applications within optogenetics, ophthalmology or biomedical imaging; pulsed lasers for medical use, in particular lasers providing femtosecond, picosecond and nanosecond pulses; high-power lasers for medical use; fiber lasers for medical use; narrow linewidth lasers for medical use; laser amplifiers for medical use, in particular laser amplifiers based on optical fiber amplifier modules; modules, namely harmonic generation modules, in the nature of optical systems comprised mainly of mirrors, optical filters and nonlinear optical elements, for second-harmonic generation for medical use; circuit modules specially adapted for use with medical lasers for second-harmonic generation for medical use
09 - Scientific and electric apparatus and instruments
Goods & Services
Optical fibers for guiding light, in particular for light transport and beam delivery; broadband single-mode optical fibers; large mode area optical fibers for high power handling with low nonlinear effects; optical fibers, namely, photonic crystal fibers, optical fibers, namely, photonic crystal fibers with airholes sealed at fiber ends; connectorized optical fibers; optical fibers, namely, patch cords containing such optical fibers
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lasers and laser amplifiers for non-medical use, in particular for applications within manufacturing, material processing, optical pumping and LIDAR; lasers for non-medical use, in particular lasers providing femtosecond, picosecond and nanosecond pulses, high-power lasers, narrow linewidth lasers and fiber lasers; laser amplifiers for non-medical use, in particular laser amplifiers based on optical fiber amplifier modules; modules for second-harmonic generation in the nature of power amplifiers; amplifier modules, namely, power amplifiers in the nature of modules for amplifying light, in particular for amplifying laser light; amplifier modules, namely, integrated circuit modules in the nature of power amplifiers based on optical fibers, in particular photonic crystal fibers including rare earth dopants such as ytterbium, erbium, or tellurium; amplifier modules, namely, integrated circuit modules in the nature of power amplifiers for amplification of femtosecond, picosecond and nanosecond pulses; amplifier modules, namely, integrated circuit modules in the nature of power amplifiers for original equipment manufacturer integration and scientific laboratory setups; active optical fibers, in particular rare earth doped double-clad optical fibers; amplifier medium in the nature of optical fibers for high power amplifiers; downloadable and recorded computer programs and software for controlling a laser or a laser amplifier Lasers and laser amplifiers for medical use, in particular for applications within optogenetics, ophthalmology or biomedical imaging; pulsed lasers for medical use, in particular lasers providing femtosecond, picosecond and nanosecond pulses; high-power lasers for medical use; fiber lasers for medical use; narrow linewidth lasers for medical use; modules, namely, integrated circuit modules in the nature of power amplifiers specially adapted for use with medical lasers for second-harmonic generation for medical use; laser amplifiers for medical use, in particular laser amplifiers based on optical fiber amplifier modules; amplifier modules, namely, integrated circuit modules specially adapted for use with medical lasers for amplifying light, in particular for amplifying laser light, all the aforesaid for medical use; amplifier modules, namely, integrated circuit modules specially adapted for use with medical lasers, based on optical fibers, in particular photonic crystal fibers including rare earth dopants such as ytterbium, erbium, or tellurium; all the aforesaid for medical use; amplifier modules, namely, integrated circuit modules in the nature of power amplifiers specially adapted for use with medical lasers for amplification of femtosecond, picosecond and nanosecond pulses, all the aforesaid for medical use; amplifier modules, namely, integrated circuit modules specially adapted for use with medical lasers for original equipment manufacturer integration and scientific laboratory setups, all the aforesaid for medical use; active optical fibers specially adapted for use with medical lasers, in particular rare earth doped double-clad optical fibers; amplifier medium in the nature of optical fibers for high power amplifiers specially adapted for use with medical lasers, all the aforesaid for medical use; amplifier modules, namely, integrated circuit modules in the nature of power amplifiers specially adapted for use with medical lasers for medical use
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lasers and laser amplifiers for non-medical use; pulsed
lasers; lasers for providing burst of laser pulses; lasers
for providing burst of laser pulses with variable energy,
power or amplitude distribution among pulses within a pulse
burst; lasers and structural components thereof for cutting
and otherwise machining mechanical and electrical products,
such as lasers for thin film cutting, glass cutting, cutting
of stents and other medical devices, ic package cutting,
scribing, and material processing; computer software for
laser-based systems for industrial manufacturing; laser beam
controls; hardware and software for controlling lasers, in
particular for controlling the energy, power or amplitude
distribution among pulses within a pulse burst; programmed
and on the fly change of burst pulse parameters; laser beams
and machines incorporating lasers and laser beams; parts and
fittings for the aforesaid goods. Lasers for medical purposes.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources in the form of lasers for non-medical use, in particular broadband lasers, supercontinuum lasers, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; light sources in the form of lasers not for medical purposes, laser systems not for medical purposes comprised primarily of light sources in the form of lasers and structural components thereof for quality control, industrial metrology, product characterization, product inspection, product sorting, scientific instrumentation, biomedical imaging, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source from a laser, in particular optical filters for modifying the properties of a broadband spectrum provided by a light source from a laser; detectors for detecting broadband light signals Light sources in the form of lasers for medical use, in particular broadband lasers, supercontinuum lasers, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; light sources in the form of lasers for medical use, systems comprised primarily of light sources in the form of lasers for medical use and structural components thereof for biomedical imaging, ophthalmology, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources in the form of lasers for non-medical use, in particular broadband lasers, supercontinuum lasers, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; light sources in the form of lasers not for medical purposes, laser systems not for medical purposes comprised primarily of light sources in the form of lasers and structural components thereof for quality control, industrial metrology, product characterization, product inspection, product sorting, scientific instrumentation, biomedical imaging, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source from a laser, in particular optical filters for modifying the properties of a broadband spectrum provided by a light source from a laser; detectors for detecting broadband light signals Light sources in the form of lasers for medical use, in particular broadband lasers, supercontinuum lasers, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; light sources in the form of lasers for medical use, systems comprised primarily of light sources in the form of lasers for medical use and structural components thereof for biomedical imaging, ophthalmology, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Light sources in the form of lasers for non-medical use, in particular broadband lasers, supercontinuum lasers, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; light sources in the form of lasers not for medical purposes, laser systems not for medical purposes comprised primarily of light sources in the form of lasers and structural components thereof for quality control, industrial metrology, product characterization, product inspection, product sorting, scientific instrumentation, biomedical imaging, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry; components for modifying and controlling the output of a light source from a laser, in particular optical filters for modifying the properties of a broadband spectrum provided by a light source from a laser; detectors for detecting broadband light signals Light sources in the form of lasers for medical use, in particular broadband lasers, supercontinuum lasers, lasers, laser amplifiers, lasers providing single-mode output and optical fiber based light sources; light sources in the form of lasers for medical use, systems comprised primarily of light sources in the form of lasers for medical use and structural components thereof for biomedical imaging, ophthalmology, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry
A supercontinuum source, comprises a pump source and a supercontinuum generator configured for receiving electromagnetic radiation derived from the pump source and for generating supercontinuum radiation, the supercontinuum generator comprising a nonlinear microstructured optical fibre having a core region comprising silica. The core region includes a dopant selected to reduce light-induced non-bridging oxygen hole centre loss in the nonlinear microstructured optical fibre.
seed; and a non-linear element arranged to receive said pump pulses and convert said pump pulses to pulses of supercontinuum light. The PFM can further include a splitter for splitting pulses into first and second sub beams each having the same pulse frequency, where the PFM is configured such that the sub beams experience different delays; and a combiner for combining said first and second sub beams into a beam having the pulse frequency that is greater than said same pulse frequency. The splitter can have an uneven splitter ratio.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lasers and laser amplifiers for non-medical use; pulsed lasers for non-medical use; lasers for providing burst of laser pulses for non-medical use; lasers for providing burst of laser pulses with variable energy, power or amplitude distribution among pulses within a pulse burst for non-medical use; lasers and structural components thereof for cutting and otherwise machining mechanical and electrical products, namely, lasers for thin film cutting, glass cutting, cutting of stents and other medical devices, package cutting, scribing, and material processing for non-medical use; recorded and downloadable computer software for laser-based systems for industrial manufacturing; laser beam electronic controls; hardware and recorded and downloadable software for controlling lasers, in particular for controlling the energy, power or amplitude distribution among pulses within a pulse burst; recorded and downloadable software programmed for controlling change of burst pulse parameters of lasers; laser beams and machines incorporating lasers and laser beams for non-medical use; structural parts and fittings for the aforesaid goods Lasers for medical purposes
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Lasers and laser amplifiers for non-medical use; pulsed lasers for non-medical use; lasers and structural components thereof for cutting and otherwise machining mechanical and electrical products, namely, lasers for thin film cutting, glass cutting, cutting of stents and other medical devices, package cutting, scribing, and material processing for non-medical use; recorded and downloadable computer software for laser-based systems for industrial manufacturing; laser beam electronic controls; hardware and recorded and downloadable software for controlling lasers, in particular for controlling the repetition rate, energy, power or amplitude distribution of laser pulses; recorded and downloadable software programmed for controlling change of burst pulse parameters of lasers; laser beams and machines incorporating lasers and laser beams for non-medical use; structural parts and fittings for the aforesaid goods Lasers for medical purposes
100.
Lifetime extending and performance improvements of optical fibers via loading
anneal; pumping the fiber with radiation; and reducing the temperature of the fiber and storing the fiber at the reduced temperature before the step of pumping the fiber; and wherein the method allows the hydrogen and the deuterium to become bound to the core material and the cladding material.
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
H01S 3/00 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
G02F 1/365 - Non-linear optics in an optical waveguide structure
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
H01S 3/30 - Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
G02B 6/42 - Coupling light guides with opto-electronic elements
G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
