Request InfoFOCtek Photonics Inc.Foctek Photonics Inc. is offering micro-optics for use in optical communications systems. Products include prisms, wave plates, and polarization cube and nonpolarizing cube beamsplitters. The polarization-cube versions are as small as 1 × 1 X 1 mm, with flatness of λ/4 at 632.8 nm and surface quality of 60/40. Beam deviation is <3 arc min, and extinction ratio is >100:1. They cover the C- and L-bands and produce insertion loss of <0.08 dB and transmission extinction of >26.0 dB. Single-plate zero-order wave plates can be as thin as 30 µm, with retardation tolerance of better...See full productRelated content from Photonics MediaPRODUCTSPromoted Content June 2022 IssueCompact Blue Meniscus SACFocuslight Blue Meniscus SAC with an effective focal length (EFL) of 9.7 mm has a concave-convex, acylindrical lens design for the collimation of the slow axis of laser diodes. 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