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Photonics Buyers' Guide / Infrared Windows
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Here are 78 companies that sell

Infrared Windows

Infrared windows are thin parallel plates of material that transmit in the infrared region or a spectral region (of the infrared) in which the atmosphere transmits.

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Alkor Technologies - St. Petersburg, Russia
Wide variety of IR and UV optical components for scientific applications. Optical windows, spherical and cylindrical lenses, mirrors (gold, aluminum, dielectric), IR interference filters, prisms, ATRs, wedge prisms. Materials include CaF2, BaF2, LiF, KBr, NaCl, KCl, MgF2, ZnSe, ZnS, sapphire, silicon, Ge, fused silica (IR, UV), and optical glass.
• Established in 1991
• 50 employees
• 10,800-sq ft facility
• Privately Owned
• Custom Manufacturer
Sapphire Windows
Germanium Windows
CaF2 Windows
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Shanghai Optics Inc. - Clark, NJ
Manufacturer of advanced optical components and optical assemblies. Offers custom optics manufacturing and custom optical design and optical engineering services. A top lens manufacturer specializing in coated optics, thin-film coatings, custom lens assembly and delivering cost-effective custom optical solutions.
• Established in 2000
• Privately Owned
• Custom Manufacturer
Metallized Sapphire Windows
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Sydor Optics Inc. - Rochester, NY
Custom manufacturer of precision flat-surfaced, parallel, and wedged optics specializing in double-sided polishing for exceptional transmitted wavefront and parallelism. Products include optical and IR windows, glass wafers, color glass filters, mirrors, wedges, plate beamsplitters, and witness samples. ITAR registered, ISO 9001:2015 certified.
• Established in 1964
• 90 employees
• 40,000-sq ft facility
• Privately Owned
• Custom Manufacturer
Custom Infrared (IR) Windows
Custom Optical Windows
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BMV Optical Technologies Inc. - Ottawa, Canada
Manufacturer of precision optical components and thin-film coatings in prototype and volume quantities. Products include lenses and lens systems (cylindrical, spherical), GRMs, etalons, beamsplitters, laser windows and mirrors, for work in the UV, VIS, NIR, and far-IR spectral regions. Metrology services are also available. ISO 9001:2015 certified.
• Established in 2001
• 22 employees
• 18,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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CASTECH INC. - Fuzhou, China
After 30 years of rapid growth, CASTECH now is a global leader in nonlinear optical crystals, laser crystals, precision optics, and laser components for laser applications, optical communications, biomedical VR/AR, and lidar. With ISO 9001 and IAFT 16949 quality management system, we consistently enable our customers from prototype to mass production stage.
• Established in 1990
• 1,000 employees
• 450,000-sq ft facility
• Publicly Traded Stock
• Stock Manufacturer
• Custom Manufacturer
Parallel Windows
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ECOPTIK (Changchun) Ltd. - Changchun, China
Custom optics, such as spherical lenses, dome lenses, prisms, windows, filters, cylindrical lenses, aspherical lenses, mirrors, beamsplitters, optical assemblies. Also custom lens design and optical systems design.
• Established in 2004
• 21,600-sq ft facility
• Privately Owned
• Custom Manufacturer
Custom Optical Sapphire Windows
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Excelitas Technologies Corp. - Waltham, MA
Excelitas Technologies Corp. is a leading industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the lighting, optical, optronic, and detection needs of global OEM customers.
• Established in 2011
• 7,000 employees
• Privately Owned
• Custom Manufacturer
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Ferson Technologies Inc. - Ocean Springs, MS
Manufacturer of custom precision optical components including lenses, prisms, windows, mirrors, cylindrical lenses, filters, and domes. Capabilities include optical coating design and services, assembly and optical systems. Also will modify existing material or catalog optics to meet applications.
• Established in 1943
• 18 employees
• 20,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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G&H - Somerset, England
G&H provides design and manufacturing solutions to OEM customers around the world. We meet challenging specifications and offer long product lifetime and guaranteed performance in harsh environments. Our Group is comprised of three businesses: G&H Aerospace and Defense, G&H Industrial and Telecom, G&H Life Sciences and Biophotonics.
• Established in 1948
• 1,000 employees
• Publicly Traded Stock
• Custom Manufacturer
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Hangzhou Shalom EO - Hangzhou, China
Hangzhou Shalom EO offers a variety of crystals and optical components for lasers and optical instruments, and IR thermal camera lenses, IR windows, domes, and lenses, for use in thermal imaging applications. Shalom EO also offers scintillators, arrays, and detectors for x-ray and gamma-ray detection, and saw wafers, sapphire optics, and crystal substrates.
• Established in 2010
• 10 employees
• Privately Owned
• Custom Manufacturer
Sapphire Windows
Germanium Windows
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Hardin Optical - Bandon, OR
We are a supplier of high quality precision custom optical components. We provide up-front technical support for optimizing manufacturability, cost, and quality. Capabilities include manufacturing and coating of optical components including lenses, aspheres, mirrors, windows, and prisms using a variety of visible and IR materials.
• Established in 1976
• 90 employees
• 65,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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Inrad Optics Inc. - Northvale, NJ
Specializes in crystalline materials, glass and metal optical components and electro-optical devices. Vertically integrated, products include BBO, KDP, LiNbO3 Pockels cells and Q-switch elements, beamsplitters, ZGP and UV crystals, large transmission flats and mirrors, assemblies, x-ray monochromators, diamond-turned aspheres, and nickel-plated beryllium mirrors.
• Established in 1973
• 70 employees
• 42,000-sq ft facility
• Publicly Traded Stock
• Custom Manufacturer
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Lambda Research Optics Inc. (USA) - Costa Mesa, CA
Lambda Research Optics manufactures catalog and custom lenses, mirrors, beamsplitters, windows, prisms, filters, and polarizers for defense, commercial, and medical laser applications. Lambda specializes in high-power coatings for excimer, YAG, fiber, CO2 lasers, and FLIR coatings. Precision polishing of CaF2, MgF2, BK7, fused silica, ZnSe, Ge, and Si.
• Established in 1991
• 60 employees
• 36,000-sq ft facility
• Privately Owned
• Custom Manufacturer
Plane Windows - IR CaF2
Elliptical Windows
Wedge Windows
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Laser Research Optics, Div. of Meller Optics Inc. - Providence, RI
Manufactures laser optical components for CO2 and fiber high-power laser systems. Optical fabrication of flats, spherical radii, and meniscus parts and thin-film coating services. Materials: ZnSe, Ge, Si, GaAs, and fused silica; components: windows, mirrors, beamsplitters, lenses, and beam combiners.
• Established in 1987
• 30 employees
• 15,000-sq ft facility
• Privately Owned
• Stock Manufacturer
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Lattice Materials LLC - Bozeman, MT
Optical Si and Ge crystal growth; Ingots up to 22 in. in diameter with virtually any orientation, optical transmission, and electrical resistivity. Infrared optics, thin-film coating sources, and custom machined parts to precise tolerances. Polished blanks, windows, and spherical lenses are manufactured for defense and commercial applications.
• Established in 1989
• 50 employees
• 30,000-sq ft facility
• Privately Owned
• Stock Manufacturer
• Custom Manufacturer
Custom Infrared Windows
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Meller Optics Inc. - Providence, RI
Manufacturer of coated and uncoated lenses, optical windows, prisms, mirrors and electronic substrates for lasers and analytical instruments. Materials include sapphire, quartz, BK 7 and other common laser glasses, germanium, silicon, zinc selenide, zinc sulfide, fluorides and ruby. Supplier of alumina powder and pitch.
• Established in 1921
• 30 employees
• 15,000-sq ft facility
• Privately Owned
• Stock Manufacturer
• Custom Manufacturer
Basic Quality Sapphire Windows
High-Precision Quality Sapphire Windows
Precision Quality Sapphire Windows
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Novotech Inc. - Acton, MA
Manufacturer and supplier of IR materials including germanium, silicon, ZnSe, ZnS multispectral. Blanks, DT and finished elements, optical and mechanical lens assembly and prototyping; germanium recycling. ISO 9001-2015 certified. ITAR registered.
• Established in 1997
• 35 employees
• 35,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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Nu-Tek Precision Optical Corporation - Aberdeen, MD
Manufacturer of on- and off-axis mirrors, lenses, windows, flats, crystals, diamond-turned optics, telescopes, and beam expanders. Specialties include VUV to FIR large and small optics, aspheres, postpolishing of diamond-turned surfaces, lightweighting, optical and mechanical system design and engineering services.
• Established in 1987
• 23 employees
• 15,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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PIKE Technologies Inc. - Madison, WI
Manufacturer of spectroscopy accessories and custom optics. Products include ATR, diffuse and specular reflectance, integrating spheres, polarization, IR microscope, beam condensers, and transmission sampling accessories. Optical services include design, prototyping, metrology measurement, diamond-turning, and spherical grinding and polishing.
• Established in 1989
• 60 employees
• Privately Owned
• Stock Manufacturer
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Qinhuangdao Intrinsic Crystal Technology Co. Ltd. - Qinhuangdao, China
Supplies CaF2, BaF2, MgF2, and LiF crystal material and optics; Si, Ge, ZnSe, ZnS material, and optics. Coated and uncoated customized optics including windows, lenses, prisms, wedges, mirrors, filters, cylinders, and domes. ISO 9001 certified. All the material meets RoHS and Reach.
• Established in 2008
• 200 employees
• 108,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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Rainbow Research Optics Inc. - Centennial, CO
Manufacturer of precision optical components and high-power laser coatings from UV to IR. Stock and custom optics: lenses, beamsplitters, filters, windows, mirrors, wave plates, large wedges, prisms, and many more. In-house custom coatings: AR, high reflection, dichroic, and polarizing. Optics from 4 mm to 16 inches.
• Established in 1995
• 75 employees
• 29,234-sq ft facility
• Privately Owned
• Stock Manufacturer
• Custom Manufacturer
• Supplier/Distributor
• Designer
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Reynard Corporation - San Clemente, CA
Reynard Corporation manufactures custom optics and thin-film coatings from 0.2 to 50 microns (UV-IR). Other in-house capabilities include diamond turning, optical fabrication, photolithography pattern optics, environmental testing, and design services. Prototype to production, ISO 9001:2015 certified, ITAR registered, and Cybersecurity (CMMC) compliant.
• Established in 1984
• 55 employees
• Privately Owned
• Custom Manufacturer
Custom Optics: Windows
Thin-Film Coatings: Metallized Windows
Additional Companies

The Photonics Buyers' Guide is a comprehensive resource for verified providers of Infrared Windows. Profiles and contact information for manufacturers and suppliers are provided by the companies and verified by our editors. If you have updated information about any of the organizations listed, please contact us.
Glossary
  • infrared (IR) The invisible portion of the electromagnetic spectrum that lies between about 0.75 and 1000 µm. Radiation in the near-infrared produces a sensation of heat.
  • window 1. A piece of glass with plane parallel surfaces used to admit light into an optical system and to exclude dirt and moisture. 2. A particular region of the electromagnetic spectrum that has been singled out for some purpose; for example, the region...
  • infrared window 1. A thin parallel plate of material that transmits in the infrared region. See infrared optical material. 2. A spectral region (of the infrared) in which the atmosphere transmits.
infrared windowsIR windowsoptical componentsinfrared windowIR windowIRwindowwindowsoptical systemoptical fiberselectromagnetic spectrumoptics
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