Request Info4D Technology CorporationThe Vertical Digital Radius Slide from 4D Technology Corp. provides precise radius of curvature measurement of concave or convex optics. The slide provides axial positioning resolution to 1 μm for accurate measurement using 4D Technology’s AccuFiz compact laser interferometers. The device integrates with 4D Technology’s 4Sight data analysis software for fast, wizard-based radius of curvature measurement. The system can accurately measure the curvature without precise null at cat’s eye or confocal positions, resulting in increased accuracy and throughput.See full productRelated content from Photonics MediaPRODUCTSPhotonics 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. 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The four-day event will feature talks and research on a...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookOptical Delay Lines: Key to Time-Resolved MeasurementsOne of the most critical elements of any time-resolved spectroscopy and dynamics experiment is the optical delay line. A typical optical delay line consists of a retroreflector or folding mirrors on...Photonics HandbookAspheric Lenses: Optimizing the DesignWith the understanding of aspheric lens manufacturing provided in part one of this article, designers have the tools to optimize their aspheres; the next step is to understand how to specify and...Photonics HandbookUnderstanding Surface Quality: A Practical GuideSurface quality has become one of the most poorly understood specifications in the optics industry. 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New non-etched fused silica gratings from 190 to 400 nm.Photonics.com 10/16/2023Lumispot Tech FOGs Coil Application In Inertial NavigationFiber Optic Gyro Coil - The Core components of FOG used in inertial navigation field.Photonics.com 8/25/2022Diffraction Gratings - an IntroductionThis paper is ideal for those wanting an introductory guide to the various types of diffraction gratings and understanding their advantages and disadvantages as well as including some useful grating...WEBINARSPhotonics.com 1/11/2023The Technology-Enabling Power of Dynamic InterferometrySurface and wavefront measurements demand increasing precision and accuracy as specifications tighten on high-performance components. This is true even when production or test environments are...Photonics.com 9/16/2020Principles of Laser Beam ProfilingBeam profiling describes the measurement of the spatial distribution of power of a laser beam. 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These optics can include lenses, mirrors, prisms, filters, or...Photonics Dictionarychemical vapor deposition equipmentChemical vapor deposition (CVD) equipment refers to a class of specialized apparatus used in the process of chemical vapor deposition, a technique for depositing thin films of various materials onto...Photonics Dictionaryautomated optical inspectionAutomated optical inspection (AOI) is a technology used in manufacturing processes, particularly in electronics, to automatically inspect and detect defects or anomalies in products. AOI systems use...Photonics Dictionaryfused quartz and silicaFused quartz and silica are closely related materials, both composed primarily of silicon dioxide (SiO2), but they are produced through different manufacturing processes and have distinct properties...VIDEOSPhotonics.com 10/3/2022Blackstone NEY Ultrasonics CleanveyorBlackstone-NEY CleanVeyor Ultrasonic parts washer utilizes a combination of spray, immersion, and ultrasonic cleaning technologies and has proven successful in achieving Six Sigma consistency in a...Photonics.com 7/19/2023Zygo Interferometer - AvantierAt Avantier, we specialize in the design and production of cutting-edge optical solutions and high-performance optics for a diverse range of applications in optical metrology equipment. Our expertise...Photonics.com 12/21/2022OPCO Laboratory, Inc. Facility TourTour of our Fitchburg, MA manufacturing facility.Photonics.com 2/21/2018Photonics on the Showroom Floor and in the Lab - LIGHT MATTERS 02.2018On this month's episode of Light Matters, we take you on a brief tour of the Higgins Laboratories at Worcester Polytechnic Institute (WPI). Quinsigamond Community College and WPI received a $4M grant...PHOTONICS BUYERS' GUIDE CATEGORIESBabinet-Soleil CompensatorsVisible SpectrophotometersTheodolites and TransitsEtalonsAn etalon is an optical device that consists of two parallel reflecting surfaces separated by a precise and known distance. It operates based on the principle of optical interference and is used to...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' 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' 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' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have guided LaCroix Precision Optics to become the premier precision optics...