Request InfoMeller Optics Inc.For use in military navigation and targeting systems, Meller Optics Inc. has announced custom-fabricated large sapphire windows up to 18 in. in diameter by 1/4 in. thick. They offer Moh 9 surface hardness, transmitted wavefront to λ/4, parallelism to 2 arc sec and a 70:1 aspect ratio. Resistant to water, most acids, alkalis and harsh chemicals to ~350 °C, they have surface finishes to 60-40 scratch-dig. They are available in any quantity, from prototype through production.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra January 2024 IssueMicro Laser Rangefinder ModuleThe LSP-LRS-0310F from LumiSpot Tech is a micro laser rangefinder module made for distance gauging within the realm of photoelectric systems. 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This was the third...PHOTONICS BUYERS' GUIDE CATEGORIESSapphire WindowsVacuum Evaporation ChemicalsCleaning Materials and Equipment for OpticsOther Cleaning Materials and EquipmentCOMPANIESPhotonics 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' GuideUniversal Photonics Inc.“Name the application, we have solutions,” is more than a slogan. 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