Photonics Buyers' Guide > Fresnel Lenses

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(18 companies)
Fresnel Lenses 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.
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    Apollo Optical Systems, Inc. - West Henrietta, NYManufacturer 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...
    • Manufacture Custom
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    Canyon Materials, Inc. - San Diego, CAHEBS-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...
    • Manufacture Custom
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    Diverse Optics Inc. - Rancho Cucamonga, CADiverse 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...
    • Manufacture Custom
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    Exotic Electro-Optics, Sub. of II-VI Incorporated - Murrieta, CAManufacturer of infrared and visible optical assemblies, windows, domes, lens systems and components; and high-precision sapphire windows and assemblies from prototype to production. Supplier of custom thin-film coatings for heating, EMI/RF shielding and low observables, as well as antireflection...
    • Manufacture Custom
    • Design
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    Fresnel Technologies, Inc. - Fort Worth, TXManufacturer 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...
    • Manufacture Stock
    • Manufacture Custom
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    RHK Japan, Inc. - Tokyo, JapanSupplier of plastic lenses, Fresnel lenses, linear Fresnels, lenticulars, Fresnel prisms and matte-surface plates.
    • Supply/Distribute
ADDITIONAL COMPANIES

  • TERMS
  • Fresnel lens 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...
  • fresnel 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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