Request InfoOptical Surfaces Ltd.KENLEY, England, Dec. 23, 2012 — Optical Surfaces Ltd. is offering large, high-precision windows for demanding applications. Made of IR-transmitting materials including zinc sulphide and germanium, the durable windows protect sensitive optics and sensors in aerial surveillance and reconnaissance applications. The company also offers debris shields that are used in ultrahigh-power laser research to protect critical optical components from ablated materials while maintaining optical performance in the beam line. Typical wavefront precision is from λ/5 to λ/10, typical diameter is 372 mm, and typical...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra October 2022 IssueCompact Beam ExpandersThe A1 series of compact beam expanders from Optical Surfaces Ltd. delivers ×30 magnification from 2-mm aperture high-power laser beam lines. 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