Request Info4D Technology CorporationTUCSON, Ariz., Sept. 13, 2016 — 4D Technology Corp. has announced the InSpec Surface Gauge, a handheld, noncontact instrument that measures precision machined surface defects and features with µm-level resolution. The device enables rapid measurements that are unaffected by vibration present in most manufacturing environments. Quality assurance and control personnel using the InSpec can take repeatable precision surface measurements in factory floor, machine shop and field service environments. Rugged and lightweight, the handheld gauge has a single cable tether to its computer and is designed to handle...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. AccuFiz instruments are used for...Photonics.com 6/7/2022MWIR InterferometerThe PhaseCam MWIR interferometer from 4D Technology Corp. is a dual-port device that measures optical surface shape and wavefront error at a 3.39-µm IR wavelength for fast acquisition with...Photonics.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.com 7/27/2023Miniature Linear Voice Coil Servo MotorsThe LVCM-025-029-02 and LVCM-025-029-02M miniature linear voice coil servo motors from Moticont are 1-in. diameter brushless devices. The high-speed devices offer high force-to-size ratios,...ARTICLESPhotonics Spectra January 2023 IssueFrequency Comb Advancement Improves Speed, Precision of MeasurementsResearchers at NIST have developed a method to enable frequency combs to measure light pulse arrival times with greater sensitivity than was previously possible — potentially improving...Photonics.com 5/5/2022High-Precision Dual-Comb Sensing Method Keeps Compact FootprintDual-comb photothermal spectroscopy (DC-PTS), demonstrated for the first time by a joint team from the Chinese University of Hong Kong and the Changchun Institute of Optics, Fine Mechanics and...Vision Spectra Spring 2023 IssueLidar Companies Velodyne, Ouster Agree to MergeDigital lidar company Ouster and lidar sensors and solutions developer Velodyne Lidar have entered into a definitive agreement to merge in an all-stock transaction. The combination reportedly brings...Photonics.com 3/27/2024Coherent Establishes InP Fabs; OpenLight Formalizes VLC Partnership: OFC News RoundupCoherent established capability for 6-inch indium phosphide (InP) wafer fabrication in the company’s Sherman, Texas, and Järfälla, Sweden, wafer fabs. Coherent is in the process of...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookLaser Measurement Systems: Best PracticesGiven the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these...Photonics 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 HandbookPhotometry: The Answer to How Light Is PerceivedThat portion of the spectrum that the eye can see — and its rainbow of colors — is rather small, covering approximately 360 to 830 nm. What colors we perceive depends on wavelength, while...WHITEPAPERSPhotonics.com 12/20/2022Seiwa Inspection SystemThis document outlines how Seiwa Optical's fully automated inspection equipment can increase the threshold, reduce chip loss, and decrease production costs of wafer manufacturing.Photonics.com 9/1/2022Precision Motion and How to Achieve ItNanoscale motion requires fastidious attention to instrumentation, passive controls, and experiment design. Most users have experience in motion control within the sphere of the microscale. In this...Photonics.com 10/26/2022Methods of Imaging with Photoelastic ModulatorsThis paper highlights a range of options to utilize Photoelastic Modulators (PEMs) with imaging systems to generate full field polarimetric measurements. Due to the resonant nature of the...Photonics.com 3/4/2024Coherent Optical Comb CharacterizationThe ultra-low noise and GHz repetition rate of the MENHIR-1550 optical frequency comb (OFC) series are important features for many applications such as high-speed telecommunication or photonics...WEBINARSPhotonics.com 5/20/2021Measuring the Power and Beam Profile of Divergent Laser SourcesLasers with large beam divergence are used in a number of applications, such as remote sensing, optical communications, and materials processing. Large beam divergences create challenges for reliably...Photonics.com 3/19/2019Selecting an IR Camera for Your R&D Application – 7 Tips from a Top ExpertThermography has become an indispensable tool for all types of R&D projects that require noncontact, accurate temperature measurement. Many IR camera options are available with different features...Photonics.com 3/5/2024Electromagnetic Manipulation: Revolutionizing Machine VisionJoin this webinar as Ryan Marti of Omron Automation delves into the realm of unique machine vision applications that push the boundaries of automation. Discover how machine vision technology can...Photonics.com 1/13/2022Advanced Detector Solutions Enabling Quantum Optics ResearchQuantum entanglement occurs when two photons remain connected, even over large distances, such that actions performed on the quantum state of one have an instant effect on the other. Studying this...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryphotonics contract manufacturingPhotonics contract manufacturing refers to the outsourcing of the production of photonics-related components, devices, or systems to specialized manufacturing firms. Photonics involves the...Photonics Dictionaryreflective spectroscopyReflectance spectroscopy is a technique used to analyze the reflective properties of materials across various wavelengths of the electromagnetic spectrum. By measuring the reflectance of light from a...Photonics DictionaryMie scatteringMie scattering, named after the German physicist Gustav Mie, refers to the scattering of electromagnetic radiation (such as light) by spherical particles. Unlike Rayleigh scattering, which is...Photonics DictionarymicrocombA microcomb, short for microresonator frequency comb, is a novel photonic device that generates a precise series of evenly spaced optical frequencies, akin to the teeth of a comb, across a broad...VIDEOSPhotonics.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 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.com 6/12/2017Sneak Preview: Laser World of Photonics 2017: Bridging Research & IndustryLaser World of Photonics — sponsored by Messe München International — provides a spotlight for promising newcomers, industry veterans and innovative companies. And with tens of thousands of people...Photonics.com 8/24/2022Ramacle® Software Highlight: Fast Mapping - Edinburgh InstrumentsThis Software Highlight focuses on Fast Mapping in our Ramacle software. Fast Mapping enables the user to acquire Raman maps with significantly reduced acquisition times via more efficient stage...PHOTONICS BUYERS' GUIDE CATEGORIESWavefront SensorsInfrared InterferometersMichelson InterferometersTerahertz ScannersCOMPANIESPhotonics 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' GuideArkwright Technologies Pty. Ltd.Arkwright Technologies design and manufacture application specific fiber Bragg grating (FBG) sensors. Our innovative, award winning designs have evolved from over 30 years direct expertise in the...Photonics Buyers' GuideDRS Daylight Solutions Inc.The DRS Daylight Solutions Difference Mid-infrared laser light is bringing game-changing solutions to myriad molecular spectroscopy, sensing and imaging applications*. As a mid-IR technology...