Request Info4D Technology CorporationThe high repeatability, low noise AccuFiz SIS includes a second, short coherence laser source to isolate and measure plane parallel optics. Use the short coherence source to measure the surfaces, wedge, homogeneity and optical thickness of afocal optics. Then, switch to the internal source to measure focal and afocal optics as with a standard Fizeau interferometer.See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase July 2022 IssueVCSELs for Industrial DemandSingle-mode VCSELs in a hermetically sealed TO housing allow easy handling of the laser diode and are suitable for operation in demanding ambient conditions. 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Omicron offers CW...PHOTONICS BUYERS' GUIDE CATEGORIESBarcode ReadersAn optical barcode reader, commonly known as a barcode scanner, is a device that uses optical technology to capture and interpret data encoded in barcode symbols. Barcodes are typically printed on...InGaAsP LasersBeam Measurement EquipmentGaAs LasersCOMPANIESPhotonics Buyers' Guide4D Technology Corporation4D Technology designs and manufactures laser interferometers, surface roughness profilers, snapshot micropolarizer cameras, and handheld surface gauges, for accurate measurement of optics, optical...Photonics Buyers' GuideFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideOhara CorporationOHARA manufactures more than 130 environmentally safe optical glass types, free of both lead and arsenic. 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