Request Info4D Technology CorporationThe AccuFiz 6MP Laser Interferometer provides the highest available resolution for measuring steep slopes, aspheric surfaces and small-diameter optics. Its 2400 × 2400-pixel sensor doubles the measurable spatial frequency range and quadruples the sampling capability of standard Fizeau interferometers. 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The...PHOTONICS BUYERS' GUIDE CATEGORIESAtomic Fluorescence SpectrometersPhotoelectric Control SystemsMultispectral Measurement CamerasUsed/Surplus Test and Analysis EquipmentCOMPANIESPhotonics 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' GuideOptikos CorporationThe Optical Engineering Experts® Optikos designs and manufactures metrology products for measuring and assuring optical image quality; and provides optical engineering design, development,...Photonics Buyers' GuidePhotonics MediaPhotonics Media is the publisher of Photonics Spectra, BioPhotonics, and Vision Spectra magazines in print, digital and mobile app formats; the Photonics Marketplace featuring the Photonics Buyers'...Photonics Buyers' GuideDataRay Inc.DataRay Inc. was founded in 1988 with a mission to advance the technology of laser beam analysis. 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