Request Info4D Technology CorporationTUCSON, Ariz., Aug. 31, 2021 — The PhaseCam 6110 Laser Interferometer from 4D Technology Corp. is designed for qualifying optical surfaces. Redesigned with enhanced performance features, the device’s lightweight, compact design improves positioning, speeds alignment, and lowers installation costs. The PhaseCam 6110’s repeatability of 0.0005 waves and precision of 0.001 waves have been improved by 2×. The system’s compact form factor makes custom optical setups simple. A new pixelated polarizing camera provides enhanced signal-to-noise ratios for superior measurements even with low light levels.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra November 2021 IssueLaser Interferometry Acquisition4Sight 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...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.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 January 2022 IssueFiber Optic Sensors Are Wired for Growth with Infrastructure ImprovementsIn October 2021, a 40-year-old undersea pipeline off the coast of California ruptured, releasing more than 130,000 gallons of crude oil into the Pacific Ocean. The spill polluted the ecosystem,...Photonics Spectra June 2022 IssueNonlinear Response in Diamond Defects Could Enable NanosensorsA nonlinear optical approach to temperature sensing, discovered by scientists at the University of Tsukuba and the Japan Advanced Institute of Science and Technology (JAIST), could expedite...Photonics.com 1/27/20222022 SPIE and Photonics Media Prism Awards Celebrate Innovative Photonics TechnologiesFollowing a festive reception during SPIE Photonics West, SPIE, the international society for optics and photonics, and Photonics Media recognized the top optics and photonics products on the market...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 HandbookUnderstanding Surface Quality: A Practical Guide: Surface quality is one of the most scrutinized specifications in the optics industry. It is critical that the suppliers and customers have a consistent approach during the inspection process. These guidelines are intended to help ease communication between suppliers and customers for better products and business.Surface quality has become one of the most poorly understood specifications in the optics industry. A significant portion of the confusion stems from the two major competing (and largely...WHITEPAPERSPhotonics.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 11/30/2022Shanghai Optics Design for Manufacturing (DFM) Case StudyShanghai Optics offers first-class Design for Manufacturing (DFM) services. 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The purely monochromatic nature of the laser results in improved efficiency and overall performance.EDU.photonics.com 9/8/2009split-beam laser interferometerAn instrument that divides a single laser beam in two and uses one half as a sensing beam and the other as a reference beam, then recombines the two and measures any phase shift between them. The...EDU.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 9/8/2009tissue 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...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 10/27/2022Introduction to Verifire Asphere+ - Zygo CorporationThe next era of fast, noncontact, high-resolution 3D metrology of aspheric optics is here! VFA+ pushes the boundaries of what is possible in the design and production of precise aspheric surfaces....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 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 CATEGORIESPhase Contrast InterferometersLUPI InterferometersLaser Speckle InterferometersOther 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' 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' GuideOptikos CorporationThe Optical Engineering Experts® Optikos designs and manufactures metrology products for measuring and assuring optical image quality; and provides optical engineering design, development,...