Request InfoOptical Surfaces Ltd.Optical Surfaces Ltd. has announced an athermalized beam collimator design to deliver stable, high performance across a wide temperature range. The collimators are based on a modified off-axis mirror design incorporating Invar elements and a novel mechanical feature which, when combined, allows direct 100% thermal compensation. In contrast to dynamic options, this is achieved passively and adaptively responds in real time while thermal variations take place. As a result, high optical performance is maintained over a wide range of temperatures. A zero-expansion off-axis parabolic...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra July 2023 IssueMirror MountsWedged back paraboloid mounts from Optical Surfaces Ltd. provide a secure and stable platform for mirror diameters from 50 to 200 mm. 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