Request InfoOptometrics Corp.Optometrics LLC is a manufacturer of optical components and instruments. Our holographic wire grid polarizers are available on a variety of substrates, including calcium fluoride, barium fluoride, zinc selenide and KRS-5. Fabricated in our holographic laboratory, they have 2400 grooves per mm and can be used in applications requiring performance beyond 30 microns (using KRS-5). They have an extended infrared range, high transmission and high extinction ratios. In addition to our holographic wire grid polarizers, Optometrics LLC manufacturers monochromators, interference filters, ruled...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2022 IssuePosition-Sensing DetectorThe high-sensitivity, 2-mm-diameter APX-PSD-XVInG-3.1 Position-Sensing Detector (PSD) from Advanced Photonix features spectral response from the visible to NIR and SWIR wavelengths. 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