Request InfoPrecision Glass & Optics (PG&O)New optical coating capabilities feature an advanced, in situ optical-monitoring and rate control system that produces ultraprecise and accurate single- and multilayered thin films. The computer/software system provides calibration of the exact refractive index dispersion for each material and process used. The thin-film design program and optical-monitoring controller produce optical coatings that precisely match the design every time, without error.See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase July 2023 IssueOptical Filters for AstronomyChroma manufactures highest-quality astronomy filters with durable, sputtered hard coatings using monolithic substrates. 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