Request Info4D Technology CorporationEnabling the measurement of 300-mm-diameter optics, a system from 4D Technology has been designed around a standard, 100-mm aperture AccuFiz interferometer for large afocal optics and large-diameter curved surfaces. The suite of 300-mm components includes a compact 100- to 300-mm beam expander that can be used in a horizontal or look-down measurement configuration. Kinematic mounting and a visible coarse alignment laser quickly positions the reference and test optics for rapid test setup. Mounts provide highly repeatable tip, tilt and rotation control, while precise adjustments enable...See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 6/8/2022On-axis Dynamic InterferometerThe AccuFiz® D on-axis dynamic interferometer from 4D Technology Corp. features a 600-mm aperture beam expander, measuring remote cavities, optical thickness, and homogeneity, even in challenging...Photonics Spectra September 2022 IssueFizeau InterferometerThe AccuFiz® Fizeau interferometer from 4D Technology Corp. now features a 9-MP camera for higher slope tolerance through superior spatial resolution. AccuFiz instruments are used for...Photonics Spectra May 2024 IssueJoulemeterThe IS50A-1KW-RMT from Gentec-EO is a high-power joulemeter for laser energy measurement up to 1 kW average power. 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It operates on the principle of autocollimation, where a light source is directed onto a...VIDEOSPhotonics.com 10/9/2020Product Demo: Display Testing in AR and VR HeadsetsEvaluating the visual quality of displays as viewed through augmented and virtual reality headsets requires testing from the vantage point of the user. Radiant Vision Systems provides a comprehensive...Photonics.com 12/6/2022Telecentric Lenses - Shanghai OpticsTelecentric Lenses are widely used in metrology instruments, laser marking systems, and AOI (Automatic Optical Inspection) machines. Here’s a 360 view of one of our custom Telecentric Lenses which...Photonics.com 7/2/2018Light Tomorrow with TodayLuminate NY, the only optics, photonics and imaging (OPI) accelerator and investment fund in the world, announced the final winners at the Light Tomorrow with Today event in Rochester, NY. For the...Photonics.com 10/1/2018Penn's Agarwal Group Focuses on Light-Matter Interactions for Optoelectronic DevicesThe Agarwal Group at the University of Pennsylvania's Department of Materials Science and Engineering focuses on understanding how light interacts with small scale nanostructures. They also work to...PHOTONICS BUYERS' GUIDE CATEGORIESLong-Wavelength Injection LasersTi:Sapphire LasersA titanium:sapphire laser is a solid-state laser that is continuously tunable in the wavelength region from 700 to 1100 nm. It is suitable for both pulsed and continuous-wave operation. Usually...Beam ExpandersA beam expander is a system of optical components designed to increase the diameter of a radiation beam. Usually an afocal system.Far-Infrared LasersA far-infrared laser is a laser with output over a wide range of wavelengths spanning the far-infrared region of the spectrum (30 to 1000 µm); typically, it consists of a metal or dielectric...COMPANIESPhotonics 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' GuideExcelitas Technologies Corp.Excelitas Technologies® Corp. is a leading industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the illumination, optical, optronic,...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,...