Request InfoUnited Lens Co. Inc.Now manufacturing precision-quality laser protective windows/debris shields/cover slides for high-power laser processing heads, a cost-effective way to extend the lifetime of focusing target-facing optics. We offer high-precision wavefront quality in various sizes and shapes, available in fused quartz, fused silica, N-BK7 and Borofloat; UV to NIR transmission with high-efficiency anti-reflective coatings.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 7/12/2023Polarization Extinction Ratio MetersThe ROF-PERM series of polarization extinction ratio meters from Beijing Rofea Optoelectronics Co. Ltd. features single- and dual-channel extinction ratio testers designed for polarization extinction...Photonics Spectra November 2022 IssueLaser Line MirrorsTECHSPEC® Dual Band Laser Line Mirrors from Edmund Optics Inc. offer 99% reflectivity at both IR and visible wavelengths. 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Facility TourTour of our Fitchburg, MA manufacturing facility.PHOTONICS BUYERS' GUIDE CATEGORIESSapphire WindowsLithography GratingsSubmillimeter OpticsSoldering MaterialsCOMPANIESPhotonics Buyers' GuideFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideOhara CorporationOHARA manufactures more than 130 environmentally safe optical glass types, free of both lead and arsenic. More than 300 tons of optical glass are melted per month, available in the following forms of...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...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,...