Request InfoFospia Co. Ltd.OA 2062 from Luvantix is a high-transmission, high-ndex adhesive suitable for mounting optical lenses, prisms and other high-index elements in which light must pass through the adhesive. UV and thermally curable versions are available. The index can be as low as 1.52 or as high as 1.68. The high index allows for minimization of back reflection from two elements with widely diverging indices by choosing an index midway between the elements, which are then fixed together by the adhesive.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra March 2020 IssueSpectroscopic PrismsSpectroscopic Prisms from Optical Surfaces Ltd. are high-quality, uncoated and coated optics for image rotation, inversion, re-direction, and dispersion of light. 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