Request Info4D Technology Corporation4Sight Focus acquisition and analysis software from 4D Technology Corp. is a 64-bit, multithreaded software platform to provide a streamlined user experience for laser interferometry. Real-time display of Zernike terms and data quality histograms make measurement optimization and optical alignment fast and easy. New functionality includes enhanced masking, a built-in database, a new remote-control interface, and additional features for acquiring and manipulating large numbers of measurements very quickly.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 8/31/2021Laser InterferometerThe PhaseCam 6110 Laser Interferometer from 4D Technology Corp. is designed for qualifying optical surfaces. Redesigned with enhanced performance features, the device’s lightweight,...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 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...ARTICLESPhotonics Spectra May 2022 IssueLaser Interferometer Measures Performance, Efficiency of 5G DevicesAn instrument that images acoustic waves over a range of frequencies and produces so-called movies of the waves will enable improved understanding of the acoustic vibrations. The ability to...Photonics.com 7/16/2021Miniature Telescope Could Improve Lidar Performance, Advance Planar OpticsA University of Central Florida (UCF) team led by professor Shin-Tson Wu has developed a device made with cascaded liquid crystal (LC) flat optical elements, called a miniature planar telescope, that...Photonics Spectra April 2023 IssuePerovskite Prodding Reveals Structural DynamicsA Rice University research team, with help from the Department of Energy’s SLAC National Accelerator Laboratory, has directly measured the structural dynamics in 2D perovskites. The...Photonics.com 10/14/2022Leonardo DRS Secures Army Contract; ZEISS Microscopy Strikes Contract: Week in Brief: 10/14/2022ARLINGTON, Va. — Leonardo DRS received a contract to produce its next-generation thermal weapon sights for the U.S. Army. The firm fixed-price contract from the U.S. Army Contracting Command is...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookOptical Delay Lines: Key to Time-Resolved Measurements: To obtain an accurate means of creating reliable delays in any time-resolved spectroscopy or dynamic experiment, several factors about the delay line stage must be considered to reduce or eliminate errors associated with linear stages.One 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 Measurement Systems: Best Practices: When purchasing a laser, learning how to apply, troubleshoot, and evaluate that device is very important.Given 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 HandbookAspheric Lenses: Optimizing the Design: This second of two articles discusses the tools optical designers need to tailor their designs to the appropriate manufacturing process, optimizing the cost of component fabrication.With 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 HandbookMeasuring Aspheres: Selecting the Best Technique: The metrology method should match the nature of the part and the inspection constraints.The benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres...WHITEPAPERSPhotonics.com 11/30/2022Shanghai Optics Design for Manufacturing (DFM) Case StudyShanghai Optics offers first-class Design for Manufacturing (DFM) services. We are proud of our track history helping customers improve product quality and reduce their manufacturing cost...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...Photonics.com 9/12/2022Advances in Multi-Axis Motion Control for Ultra-Fast Laser Material ProcessingProgress in Laser Processing stems from advances in laser technology as well as the high-performance motion control and automation system directing the beam and/or moving the parts to be processed...Photonics.com 5/16/2022Power is Nothing Without "Pulse to Pulse" Laser ControlWe performed a measurement on different Fast and Ultrafast laser sources with our Blink HS, a new generation of High Speed Laser Energy Sensor. We showed the “Turn on” transient effects, the “pulse...WEBINARSPhotonics.com 4/28/2021Interferometers: The Light Source Determines Performance and ApplicationThe practical application of interferometers to optical component and system testing was enabled by the invention of the laser. White light interferometers were nearly impossible to use with...Photonics.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 10/13/2021Controlling High-Power Laser ProcessesLaser beams with powers of many tens of kilowatts are becoming increasingly common in today's industrial applications. However, as the powers increase, the stakes increase as well. Keeping high-power...Photonics.com 4/27/2021Optics for High-Power Laser ApplicationsThe field of laser optics, while by no means new, continues to be a subject of confusion and frustration, but also exciting innovation. Recent developments in laser technologies have enabled...PHOTONICS DICTIONARY+ TERMSEDU.photonics.com 9/8/2009free-space optics (FSO)A type of optical communications technology dealing with the use of lasers and other light sources to send telecommunication signals along a line of sight through the atmosphere. Also called...EDU.photonics.com 9/8/2009divergence1. In optics, the bending of rays away from each other. 2. In lasers, the spreading of a laser beam with increased distance from the exit aperture. Also called beam spread. 3. In a binocular...EDU.photonics.com 9/8/2009tissue opticsThe study of the optical properties of living tissue. Increased understanding of the behavior of light in this varied, turbid medium, especially its scattering and absorption characteristics, is...EDU.photonics.com 3/22/2016photonicsThe technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and...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 7/30/2018PIC Fundamentals, Design at Heart of AIM Photonics Summer AcademyStudents from large and small size companies and bigger Department of Defense affiliates of the AIM Photonics Institute took part in the recent AIM Photonics Summer Academy at MIT. This was the third...Photonics.com 3/29/2018Light Matters Extra: Weird and Strange: Quantum Photonics - 03.2018In this month's Light Matters Extra, we take you to the Quantum Photonics Laboratory at MIT run by Dr. Dirk Englund. Dr. Englund's group, the Quantum Photonics Group, is made up of postdocs and...PHOTONICS BUYERS' GUIDE CATEGORIESInterferometry Laser SystemsLaser Diode Test EquipmentOptical FlatsAn optical flat is a piece of glass, pyrex or quartz having one or both surfaces carefully ground and polished plano, generally flat to less than a tenth of a wavelength.Photonics Components TestingCOMPANIESPhotonics 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' GuideOhara Corporation, Western OfficeOhara manufactures precision optical glasses: strip/slab, cut/molded blanks, pressings, high homogeneity blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic...Photonics Buyers' GuideLaCroix Precision OpticsOptics that Defend, Build, Cure and Discover The LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have placed LaCroix Precision Optics...