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Photonics Buyers' Guide / Witness Samples
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Here are 9 companies that sell

Witness Samples

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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 windows, wafers, filters, mirrors, plate beamsplitters, wedges, and witness samples. ITAR registered, ISO 9001:2015 certified.
• Established in 1964
• 89 employees
• 40,000-sq ft facility
• Privately Owned
• Custom Manufacturer
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LaCroix Precision Optics - Batesville, AR
LaCroix Precision Optics has been manufacturing custom precision optics since 1947. Capabilities include spherical, aspherical, and flat optics with an extensive in-house coating department. ISO 9001:2015, and ITAR registered and compliant.
• Established in 1947
• 110 employees
• Privately Owned
• Custom Manufacturer
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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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Ohara Corporation, Western Office - Rancho Santa Margarita, CA
Precision optical glass: strip, blanks, pressings, polished balls, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (standard/excimer grade), Nanoceram. Ohara CCZ ultralow expansion (excellent CTE uniformity, blank form, to 1.8 m diam). Double-side polished substrates (low surface roughness, excellent flatness).
• Established in 1981
• Privately Owned
• Custom Manufacturer
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Ohara Corporation, Eastern Office - Branchburg, NJ
Manufactures precision optical glasses: strip/slab, blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (std./excimer grade). Ohara CCZ ultralow expansion (excellent CTE; large size). Nanoceram. Double-side polished substrates (low surface roughness, excellent flatness).
• Established in 1981
• Publicly Traded Stock
• Custom Manufacturer
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Valley Design Corp., Headquarters - Shirley, MA
ISO 9001:2015 manufacturer of substrates, windows, wafers, flat optics, precision shims and spacers, 0.127-mm sq to 450-mm diameter. Precision lapping, polishing, dicing, 5 axis CNC machining, small diameter core drilling, hole drilling. Ultrathin 10 to 20 microns, ultraflat, tight tolerances. Fused silica, glass, sapphire, ceramics, metals, many from inventory.
• Established in 1975
• 30 employees
• 30,000-sq ft facility
• Privately Owned
• Stock Manufacturer
• Custom 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
Additional Companies

The Photonics Buyers' Guide is a comprehensive resource for verified providers of Witness Samples. 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.
optical componentoptical materialtest piecethin film coatingtest coating processglass plate
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