A shutterless calibration for correcting an infrared focal plane array includes controlling an infrared calibration light source to output pulsed infrared light to be incident on the infrared focal plane array, comparing an image across the infrared focal plane array while illuminated with the pulsed infrared light with a reference image of the infrared focal plane array previously illuminated with the pulsed infrared light to detect non-uniformities across the infrared focal plane array, and storing detected non-uniformities across the infrared focal plane array to be used to correct the non-uniformities while imaging using the infrared focal plane array.
G01J 5/53 - Sources de référence, p. ex. lampes étalonsCorps noirs
H04N 25/671 - Traitement du bruit, p. ex. détection, correction, réduction ou élimination du bruit appliqué au bruit à motif fixe, p. ex. non-uniformité de la réponse pour la détection ou la correction de la non-uniformité
G01J 5/00 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique
H04N 23/20 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge
2.
SHUTTERLESS NON-UNIFORMITY CORRECTION (NUC) AND CALIBRATION OF FOCAL PLANE ARRAYS
A shutterless calibration for correcting an infrared focal plane array includes controlling an infrared calibration light source to output pulsed infrared light to be incident on the infrared focal plane array, comparing an image across the infrared focal plane array while illuminated with the pulsed infrared light with a reference image of the infrared focal plane array previously illuminated with the pulsed infrared light to detect non-uniformities across the infrared focal plane array, and storing detected non-uniformities across the infrared focal plane array to be used to correct the non-uniformities while imaging using the infrared focal plane array.
G01J 5/00 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique
G01J 5/20 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique en utilisant des détecteurs électriques de radiations en utilisant des éléments résistants, thermorésistants ou semi-conducteurs sensibles aux radiations, p. ex. des dispositifs photoconducteurs
3.
BROADBAND CAMERA FOR INSPECTION OF HIGH-TEMPERATURE PROCESSING ENVIRONMENT
An inspection system for inspecting an interior of high temperature process equipment includes an infrared camera; a first wedge prism and a second wedge prism to be inserted into a port of the high temperature process equipment to view the interior; and an optical relay and relaying light output from the first and second wedge prisms to the infrared camera.
An infrared imaging system includes a detector configured to detect a flame in a first infrared wavelength band and to detect a thermal image in a second infrared wavelength band, longer than the first infrared wavelength band; and an imaging circuit configured to output an image including the flame and the thermal image.
H04N 23/23 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge à partir du rayonnement infrarouge thermique
H04N 23/12 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image à partir de différentes longueurs d'onde avec un seul capteur
H04N 23/52 - Éléments optimisant le fonctionnement du capteur d'images, p. ex. pour la protection contre les interférences électromagnétiques [EMI] ou la commande de la température par des éléments de transfert de chaleur ou de refroidissement
An infrared imaging system includes a detector configured to detect a flame in a first infrared wavelength band and to detect a thermal image in a second infrared wavelength band, longer than the first infrared wavelength band; and an imaging circuit configured to output an image including the flame and the thermal image.
G01J 5/00 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique
G01J 5/20 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique en utilisant des détecteurs électriques de radiations en utilisant des éléments résistants, thermorésistants ou semi-conducteurs sensibles aux radiations, p. ex. des dispositifs photoconducteurs
G01J 5/60 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique en utilisant la détermination de la température de couleur
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
09 - Appareils et instruments scientifiques et électriques
Produits et services
Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; Chalcogenides for use in infrared imaging and infrared non-imaging applications, namely for use in the manufacture of spherical and aspheric lenses, optical windows, wedged windows, brewster windows, ball lenses, optical hemispheres, prisms, mirrors, beamsplitters, diffractive lenses, polarizers, waveplates, diffusers, filters, fixed and manual focus thermal imaging lens assemblies for Middle Wavelength Infrared (MWIR) and Long Wavelength Infrared (LWIR) cameras; Industrial chemicals; Chemical products for the manufacture of protective coatings; Chemical additives for use in the production of coatings; Potassium bromide (KBr) and Sodium chloride (NaCl) for the manufacture of optical materials; Coatings [chemical] for glass; Coatings [chemical] for lenses; Chemical coatings for optical lenses; Chemical coatings for ophthalmic lenses; Moisture repellant coatings [other than paints]; Coatings containing quartz for use in lenses. Optical apparatus and instruments; Optical devices, enhancers and correctors; Optical goods; Infrared optical apparatus; Optical lenses; Optical glass; Optical reflectors; Optical glasses; Optical lens sights; Optical lens blanks; Optical glass filters; Objectives [lenses] optics; Prisms [optics]; Correcting lenses [optics]; Molded lenses; Cameras; Infrared cameras; Lens arrays; Axicon lenses; Hybrid diffractive lenses; Mounted lenses; Insert precision optical glass; Plastic optical goods; Micro-optical goods; Thermal imaging lenses and lens assemblies; Thermal imaging cameras; Fused fiber collimators; Multi-spectral infrared optical apparatus.
7.
INTEGRATED OPTICAL ASSEMBLY AND MANUFACTURING THE SAME
An integrated optical assembly comprises an optics mount, an optical element comprising material that is optically transparent, the optical element molded in the optics mount, and an optical aperture wherein the optical aperture is secured in fixed position with respect to the optics mount and the transparent optical element.
An infrared imaging system includes a detector configured to detect wavelengths in a first infrared wavelength band and a second infrared wavelength band, shorter than the first infrared wavelength band, a light source configured to output light in the second infrared wavelength band to an object, and an identify circuit configured to identify the object based on spectral characteristics of light returned from the object detected by the detector. The second infrared wavelength band is an extended short wavelength infrared band.
H04N 5/33 - Transformation des rayonnements infrarouges
H04N 23/10 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image à partir de différentes longueurs d'onde
H04N 23/20 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge
H04N 23/56 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande munis de moyens d'éclairage
An infrared imaging system includes a detector configured to detect wavelengths in a first infrared wavelength band and a second infrared wavelength band, shorter than the first infrared wavelength band, a light source configured to output light in the second infrared wavelength band to an object, and an identify circuit configured to identify the object based on spectral characteristics of light returned from the object detected by the detector. The second infrared wavelength band is an extended short wavelength infrared band.
H04N 5/33 - Transformation des rayonnements infrarouges
H04N 23/23 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge à partir du rayonnement infrarouge thermique
10.
THERMAL IMAGING INCLUDING AN EXTENDED SHORT WAVE INFRARED LIGHT SOURCE
An infrared imaging system includes a detector configured to detect wavelengths in a first infrared wavelength band and a second infrared wavelength band, shorter than the first infrared wavelength band, wherein the second infrared wavelength band is an extended short wavelength infrared band; and a light source configured to output light in the second infrared wavelength band to an object radiating the first infrared wavelength.
An infrared imaging system includes a detector configured to detect wavelengths in a first infrared wavelength band and a second infrared wavelength band, shorter than the first infrared wavelength band, wherein the second infrared wavelength band is an extended short wavelength infrared band; and a light source configured to output light in the second infrared wavelength band to an object radiating the first infrared wavelength.
H04N 23/20 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image uniquement à partir d'un rayonnement infrarouge
G03B 15/06 - Dispositions particulières pour le filtrage, la diffusion ou la réflexion, p. ex. dans les studios
H04N 23/56 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande munis de moyens d'éclairage
H04N 23/695 - Commande de la direction de la caméra pour modifier le champ de vision, p. ex. par un panoramique, une inclinaison ou en fonction du suivi des objets
09 - Appareils et instruments scientifiques et électriques
Produits et services
Cameras with integrated hardware for running artificial intelligence algorithms and neural networks, including thermal cameras, infrared cameras, multispectral cameras, night vision devices and visible cameras
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
09 - Appareils et instruments scientifiques et électriques
Produits et services
Industrial chemicals, namely, chalcogenides for use in infrared imaging and infrared non-imaging applications, namely for use in the manufacture of spherical and aspheric lenses, optical windows, wedged windows, brewster windows, ball lenses, optical hemispheres, prisms, mirrors, beamsplitters, diffractive lenses, polarizers, waveplates, diffusers, filters, fixed and manual focus thermal imaging lens assemblies for Middle Wavelength Infrared (MWIR) and Long Wavelength Infrared (LWIR) cameras including both cooled and uncooled and athermalized and non-athermalized; Industrial chemicals, namely, potassium bromide (KBr), sodium chloride (NaCl), for the manufacture of optical materials in the nature of optical coatings including anti-reflective, high-reflectivity, diamond-like carbon, and moisture resistant coatings for use in infrared imaging and infrared non-imaging applications; anti-reflective coatings for optical lenses; high reflectivity coatings for optical lenses; high durability diamond-like carbon coatings for optical lenses Optical materials including components, assemblies, and systems for imaging and non-imaging applications, namely, optical lenses in the nature of molded lenses, freeform optics, lens arrays, axicons, hybrid diffractive lenses, mounted lenses, insert precision glass molded optics, diced and edged optics, thermal imaging lenses; thermal imaging cameras; fused fiber collimators; multi-spectral infrared materials, space-qualified optics, and assemblies, namely, antireflective lenses, high-reflectivity lenses, and high durability diamond-like carbon lenses
Fabricating a shaped optical element for refracting light can include placing a first material having a first glass transition temperature in a mold, and compressing and heating the first material to form a first optical element, the first optical element having a first surface and a second surface opposite the first surface. The method can also include placing a second material in the mold adjacent to the first surface of the first optical element, the second material having a second glass transition temperature that is different than the first glass transition temperature, and compressing and heating the second material to form a second optical element having a third surface and a fourth surface opposite the third surface, wherein the first surface of the first optical element and the third surface of the second optical element are bonded together as a result of compressing and heating the second optical element.
Methods and systems for providing de-icing and/or de-fogging of an optical element include providing a resistive layer on an optically transparent material. In one embodiment, an optical system includes an optical device having a moldable optical material having a first surface, a resistive transparent material deposited in a layer on the first surface, and a conductive pad in electrical contact with the resistive transparent material. A method can include providing a moldable optical material having a first surface, a resistive transparent material deposited in a layer on the first surface, and a conductive pad in electrical contact with the resistive transparent material, and providing electrical energy to the conductive pad to heat the resistive transparent material.
H05B 3/86 - Dispositions pour le chauffage spécialement adaptées à des surfaces transparentes ou réfléchissantes, p. ex. pour désembuer ou dégivrer des fenêtres, des miroirs ou des pare-brise de véhicules les conducteurs chauffants étant noyés dans le matériau transparent ou réfléchissant
G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
H01L 23/34 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température
C03C 3/32 - Compositions de verre ne contenant pas d'oxyde, p. ex. halogénures, sulfures ou nitrures de germanium, de sélénium ou de tellure, binaires ou ternaires
19.
One optical design pattern/method of a cost effective IR lens
A lens system for infrared (IR) imaging, including a molded first lens element and an aberration correction second lens element. The first lens element is made of chalcogenide glass and has a first and second surface, one of the first and second surfaces of the first lens element being a diffractive surface. The second lens element has a first and second surface, one of the first and second surfaces being a planar surface and neither of the first and second surfaces being a diffractive surface. The second lens element is of a different material than the second lens element.
G02B 13/14 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous à utiliser avec des radiations infrarouges ou ultraviolettes
G02B 13/16 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous à utiliser en combinaison avec des convertisseurs ou des amplificateurs d'image
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère
Methods and mold designs provide for fiducials in molding glass optical elements, such as glass lenses. A mold for use in the fabrication of a lens can include a first part of the mold including a first molding surface corresponding to a first surface of said lens, and a second part of the mold including a second molding surface corresponding to a second surface of said lens, the first and second part of the mold configured to apply pressure to a moldable material in at least one cavity therebetween, at least one marking structure located on at least one of the first part of the mold, the second part of the mold, or both, the at least one marking structure configured to form at least one fiducial in the molded structure. Such techniques are applicable to precision glass molding.
An integrated optical assembly comprises an optics mount, an optical element comprising material that is optically transparent, the optical element molded in the optics mount, and an optical aperture wherein the optical aperture is secured in fixed position with respect to the optics mount and the transparent optical element.
An optical design pattern/method was invented to control the total cost including the material and the manufacturing of IR imaging lenses. This optical design pattern/method comprises a molded lens and an aberration correction lens. This design pattern/method leads to cost-effective IR imaging lenses because the unit cost of the molded lens is low for a volume production and the unit cost of the aberration correction lens is low for its very small manufacturing. This optical design pattern/method comprises any imaging and spectral applications for any partial band of 1 to 14 micron, such as (but not limited to) SWIR, MWIR, and LWIR.
G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère
G02B 13/14 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous à utiliser avec des radiations infrarouges ou ultraviolettes
G02B 13/16 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous à utiliser en combinaison avec des convertisseurs ou des amplificateurs d'image
G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
A method for making a high-power fused collimator, and a fused collimator made thereby, are provided. A fused collimator is provided that includes an end of a stripped end portion of an optical fiber fused to a proximal face of a silica lens. In an embodiment, a joint formed by the fiber end and the silica lens proximal face is substantially surrounded with a solder glass in a melted form. A cross-sectional area of the solder glass decreases proximally from a distal edge adjacent the lens to a proximal edge located along the fiber's stripped end portion. The solder glass is permitted to harden, forming a fused collimator. In another embodiment, a ferrule surrounds the fiber stripped end portion, and an adhesive is applied to the ferrule's proximal face to surround the fiber. The lens-ferrule joint is surrounded with solder glass, which is then surrounded with a silica sleeve.
A method for making a high-power fused collimator, and a fused collimator made thereby, are provided. A fused collimator is provided that includes an end of a stripped end portion of an optical fiber fused to a proximal face of a silica lens. In an embodiment, a toroidal element is positioned in surrounding relation to the fiber's stripped end portion, and a joint formed by the fiber end and the toroidal element proximal face is substantially surrounded with a solder glass in a melted form. A cross-sectional area of the solder glass decreases proximally from a distal edge adjacent the lens to a proximal edge located along the fiber's stripped end portion. Then the solder glass is permitted to harden, forming a fused collimator.
