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Photonics Buyers' Guide
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Fresnel lenses are lenses resembling a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and not spherical. Fresnel lenses can be large glass structures as in lighthouses, floodlights or traffic signals, or thin molded plastic plates with fine steps; often used for field lenses.
Apollo Optical Systems, Inc. - West Henrietta, NY
Manufacturer of custom precision optical components specializing in single-point diamond turning and injection-molded polymer optics in prototype and production volumes. In-house capabilities include SPDT, extensive metrology, injection molding, optical and mechanical design and engineering. Also...
Diverse Optics Inc. - Rancho Cucamonga, CA
Diverse Optics manufactures custom precision polymer optic components and assemblies. Core processes include injection molding, single-point diamond turning (SPDT), optomechanical design, metrology, assembly, bonding, and thin-film coating. Transforms optical systems from expensive, heavy, and...
LightWorks Optical Systems, Sub. of II-VI Incorporated - Tustin, CA
LightWorks Optical Systems is a leading provider of high precision optical assemblies, systems and components. LightWorks Optics, Inc. was acquired by II-VI Incorporated, and merged operations with Exotic Electro-Optics, also a subsidiary of II-VI Incorporated. The integrated company is...
Canyon Materials, Inc. - San Diego, CA
HEBS-glass and LDW-glass photomasks are true gray scale masks with 1 to 1000 gray levels. The all-glass masks enable mass production of micro-optical elements with any predesigned surface profile, of arrays with 100-percent fill factor, of single-frequency sinusoidal gratings having zero harmonic...
Fresnel Technologies, Inc. - Fort Worth, TX
Manufacturer of molded plastic Fresnel lenses and related optical components, as well as infrared transmitting materials and optics made from them. Specialties include lens arrays for passive infrared applications, diffusers and microlens arrays for illumination, and optics for environmental...
RHK Japan, Inc. - Tokyo, Japan
Supplier of plastic lenses, Fresnel lenses, linear Fresnels, lenticulars, Fresnel prisms and matte-surface plates.
A.W.I. Industries (USA), Inc., Member of the Wise Group of Companies - Chino, CA
Carl Zeiss X-ray Microscopy, Inc. - Pleasanton, CA
Fresnel Optics GmbH, An Orafol Co. - Apolda, Germany
Future Lighting Solutions, Div. of Future Electronics - Pointe-Claire, Canada
Gillinder Brothers, Inc. - Port Jervis, NY
HTA Photomask, Div. of HTA Enterprises, Inc. - San Jose, CA
Isuzu Glass, Inc. - Torrance, CA
Jeannette Specialty Glass - Jeannette, PA
Kopp Glass, Inc. - Pittsburgh, PA
Lexitek, Inc. - Wellesley, MA
Meridian Trade, Inc. - Akishima, Japan
Microsharp Corp. Ltd. - Watchfield, England
UK Optical Plastics Ltd. - Leicester, England
A lens resembling a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and not spherical. Fresnel lenses can be large glass structures as in...
A unit of frequency equivalent to 1012 cps. Named for Augustin Jean Fresnel, a French physicist known for his work in light and optics.
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