Request InfoMeller Optics Inc.Available from Meller Optics Inc. are custom sapphire windows that are not affected by caustic fluids such as chlorine and fluorine gas (to 300 °C) and that are second only to diamond in terms of hardness. Manufactured to specification in sizes from 1/4 to 10 in. in diameter and 1/2 mm to 1 in. in thickness, they provide a 270-nm to 4.7-µm transmission range, with up to 85% transmission uncoated and up to 99% with AR coatings on two sides. The windows feature Moh-9 surface hardness and can be fabricated with ±0.05-mm tolerance on thickness, flatness held to 0.5 fringes of HeNe, and...See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase June 2023 IssueLeybold Optics IBS SeriesThe Leybold Optics IBS series offers ion beam sputtering with extremely low-loss optical coatings, ideal for the production of your high-precision coatings for laser optics, gyroscopes, metrology,...Photonics Showcase January 2024 IssueLeader in Diamond-Like CarbonDLC coatings are ideal for Infrared applications with their high refractive index and are recommended for use in harsh environments because of their excellent physical/chemical resistance....Photonics Showcase April 2024 IssueHHV Precision Optical ToolsHHV Ltd.’s optical deposition tools are designed for research and production of precision optical films on lenses, prisms, and domes. 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Sapphire is a single-crystal form of aluminum oxide (Al2O3) that is highly prized for its exceptional optical...Electroformed OpticsMultilayer MirrorsCOMPANIESPhotonics Buyers' GuideMeller Optics Inc.Over 100 Years of Excellence Recognized for our custom fabrication capabilities since 1921, Meller Optics has consistently delivered high precision optics for critical applications in the...Photonics Buyers' GuideShanghai Optics Inc.ISO 9001 & ISO 13485 certified and D&B DUNS # 113515303 Shanghai Optics is an unparalleled custom system solution provider offering advance precision custom optical design, engineering,...Photonics Buyers' GuideAvantier Inc.Avantier Inc. is an unparalleled leader in providing innovative imaging systems solutions and optical systems solutions. We offer advance precision custom optical design, optical engineering...Photonics Buyers' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have guided LaCroix Precision Optics to become the premier precision optics...