Request InfoMeller Optics Inc.Meller CaF2 Optics feature a highly polished surface for long life and operate over a broad transmission range with 90 to 95 percent transmission uncoated. Offered in 1/4- to 5-in. diameter sizes, they can be supplied as windows, lenses and prisms for a wide variety of applications from 0.2 to 9 microns.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra November 2022 IssueThin-film PolarizersThin-film Polarizers from Knight Optical Ltd. are coated with dielectric multilayers. Featuring high efficiency due to negligible absorbance within the coating, the polarizers are available for...Photonics Spectra January 2024 IssueMirror MountsThe OS series of large-diameter mirror mounts from Optical Surfaces Ltd. provides a secure platform for larger, high-precision flat, off-axis, and spherical mirrors. 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