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.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 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 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 February 2023 IssueHolographic Grating SpectrometerThe HG10 Holographic Grating Spectrometer from Thorlabs Inc. is a fiber-based, high-speed device that provides sub-nm resolution in the 810- to 965-nm optical range. With an acquisition speed...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...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.com 9/29/2022Nanofilms Optimize Raman Thermometry for Extreme ManufacturingResearchers at Iowa State University, Shenzhen University, and Shanghai University of Engineering Science demonstrated an approach to the thermal probing of nanomaterials in which the ratio of two...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 HandbookLaser Beam Measurement: Slit-Based Profilers for Pulsed BeamsMeasuring pulsed-beam lasers has generally required the use of a CCD array profiler. This is a reasonable solution for low-power lasers in the UV and visible wavelength range, but these require...Photonics HandbookInterferometry: Measuring with LightAn interferometer is an instrument that compares the position or surface structure of two objects. The basic two-beam division of amplitude interferometer components consists of a light source, a...WHITEPAPERSPhotonics.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 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 8/18/2023Principles of Lock-in DetectionExplore the world of lock-in amplifiers in this paper, vital for success in photonics labs. Grasp the details of detecting amplitude and phase amid widespread signal changes from pulsed lasers,...Photonics.com 7/3/2023Polarization Metrology of Anisotropic MaterialsFull Mueller matrix measurements allow for elimination of ambiguity and a fuller understanding of polarization metrology. The Exicor 150XT system offers complete Mueller matrix measurement from 350...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 3/5/2024Electromagnetic 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 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 10/27/2021Fiber Optic Solutions for Medical DevicesSteve Allen provides a brief overview and examples of procedures that continue to push adoption and proliferation of optical fiber-based medical devices. From cosmetic surgery to cutting-edge sensing...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 DictionarybackscatterBackscatter refers to the phenomenon in which radiation or waves are scattered backward, opposite to the direction of the incident beam. This occurs when the incident radiation encounters a target or...Photonics DictionaryplasmonicsPlasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free electrons in a metal or semiconductor at the nanoscale. Specifically,...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...VIDEOSPhotonics.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 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 4/8/2019Lacroix - Measuring Aspheres in a 3D WorldThis video hits the key points made in our "Measuring Aspheres in a 3D World" white paper. The white paper provides a basic practical guide on the benefits of 3D measurements of aspheres as well as a...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 BUYERS' GUIDE CATEGORIESTemperature SensorsLaser Speckle InterferometersFizeau InterferometersA fizeau interferometer is a type of interferometer noted for producing narrow multiple-beam interference fringes. As a result, when compared with the Twyman-Green, the Fizeau interferometer has...Infrared InterferometersCOMPANIESPhotonics 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...