Request InfoOphir, PhotonicsOphir Photonics, global leader in precision laser measurement equipment and a Newport Corporation brand, today announced the BeamTrack 3A-QUAD, the first high-sensitivity thermal detector to combine multiple functions – power, energy, position – in a single compact laser sensor. The 3A-QUAD accurately measures power from 100 µW to 3 W and energy from 20 µJ to 2 J, and accurately tracks beam position down to 0.1 mm.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 12/21/2020Near-Eye Display Measurement SystemThe NED-LMD Near-Eye Display Measurement System from Gamma Scientific Inc. provides users with a 158° wide field-of-view characterization of augmented, virtual, and mixed realities, along with...Photonics.com 4/3/2020Luminance Measuring SystemThe GL Opticam 3.0 from GL Optic is a dedicated imaging luminance measurement system for road lighting quality control. Adapted for the EN 12301 road lighting standard, the system features...BioPhotonics Jul/Aug 2020 IssueDispersive SpectrometersDispersive spectrometers from McPherson Inc. feature expanded sensor compatibility to expand the range of wavelengths and detect mid- and long-wave IR light. The spectrometers measure and tune...Vision Spectra Spring 2020 IssueEyeSens 1x1x SeriesThe EyeSens 1x1x series of vision sensors from EVT Eye Vision Technology GmbH feature a motorized lens for sharp capture. The system focuses automatically and reads QR, DMC, bar, and OCR/OCV...ARTICLESPhotonics.com 3/13/2020Demand for FLIR Temperature Screening Devices Rises Along with Number of Coronavirus CasesIn efforts to contain the highly contagious virus causing COVID-19, thermal cameras, set up at checkpoints or hand-held by personnel at airports, borders, and entrances to businesses, schools, and...Vision Spectra Winter 2020 IssueNSF Grant to Advance Sensing and Imaging Technologies for Precision AgricultureWith a five-year, $26 million grant, the National Science Foundation (NSF) has established the Engineering Research Center for the Internet of Things for Precision Agriculture (ERC IoT4Ag). The...Photonics.com 6/18/2019Quantum Dot Microscope Can Measure Electric Surface Potentials of Single AtomsA new scanning quantum dot microscopy method can measure the electric potential of a sample at atomic accuracy. It was developed by a team from Forschungszentrum Jülich, working with researchers...Photonics Spectra July 2020 IssueResearch Group Develops Thermo-Photoluminescence for Rapid Imaging and MeasurementToday, the most common optical technique for imaging and measurement of thermal conductivity of semiconductors is time-domain thermoreflectance (TDTR), in which a femtosecond pump pulse is used to...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookInfrared System Design: Understanding the Process: While equations and data pertaining to infrared system design abound,1 comparatively little has been written about the process.2 This article attempts to fill that void.Infrared system design is not, like some circuit design, a synthetic process. One cannot start by stating the problem and proceeding in an orderly fashion to a final solution. Rather, we guess a...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 HandbookCamera Resolution: Combining Detector and Optics Performance: Most image-quality discussions center on resolution, which is thought to uniquely determine system performance. Resolution, however, is a more complex concept.Camera resolution depends upon the optical blur diameter and the detector size. Schade combined these to create an equivalent resolution that is a function of Fλ/d where F is the focal ratio,...Photonics HandbookRadiation Tolerances: Effects on CID Imaging Devices: The charge-injection device (CID) is a broadband (200 to 1100 nm) charge-transfer device (CTD) image sensor with capabilities well beyond the limitations of typical commercially available charge-coupled devices (CCDs), CMOS, and active pixel sensors.Like other CTDs, the CID imager uses hundreds of thousands (up to 4 million) pixel elements to capture optical images, and converts the light into an electronic charge which may be displayed on a...WHITEPAPERSPhotonics.com 1/14/2021Methods for Measuring Display Defects and Mura as Correlated to Human Visual PerceptionHuman vision and perception are the ultimate determinants of display quality, however human judgment is variable, making it difficult to define and apply quantitatively in research or production...Photonics.com 1/14/2021Five Signs that a Photometry-Based Imaging System is the Right Choice for Your Inspection ApplicationPhotometric imaging solutions bridge the gap between machine vision systems and true human vision, offering consistent, quantifiable data for automated processes that matches the visual acuity of...Photonics.com 1/14/2021Fractional Pixel Method for Improved Pixel-Level Measurement and Correction (Demura) of High-Resolution DisplaysAs display resolutions increase, imaging systems are challenged to continue to provide accurate pixel-level measurements while applying increasingly limited relative imaging resolution during...Photonics.com 8/1/2020Advantages of Measuring Surface Roughness with White Light InterferometryThis application note discusses the use of mean roughness measurements with white light interferometry (WLI) optical profilers. Spatial filters are explained, as well as some of the normative...WEBINARSPhotonics.com 9/27/2016Laser Measurement Best Practices: How to Avoid Choosing the Wrong Power/Energy SensorJoin us for a FREE webinar sponsored by Ophir-Spiricon. Particle Measurement SystemsSensors are critical for accurate laser measurement, yet they are often selected based on the wrong criteria....Photonics.com 1/28/2015Quanta Image SensorsDemand for high sensitivity and high dynamic range motivates new approaches for image sensors. The quanta image sensor (QIS) concept involves counting individual photons on sensors made of 1...Photonics.com 2/19/2020Machine Vision System Design and Integration: Challenges and TrendsThis webinar will help you develop a plan for your machine vision system that will ensure reliability, repeatability, standardization, and quality on the factory floor. It will discuss traditional...Photonics.com 9/30/2020Infrared Photodetectors: Theory, Practice, and ApplicationsA great deal of information about the physical world, from the cosmos to DNA, comes to us in the form of infrared radiation (IR). Human-made systems, such as automotive lidar, thermal-vision cameras,...PHOTONICS DICTIONARY+ TERMSEDU.photonics.com 9/8/2009infrared thermal detectorUsed to detect radiation from the infrared region. The functional process includes absorption of infrared radiation, which causes a temperature change, consequently altering the physical properties...EDU.photonics.com 9/8/2009electro-optic detectorA device that detects radiation by utilizing the influence of light in forming an electrical signal. It may be a phototube; a photoconductive, photovoltaic or photojunction cell; a phototransistor;...EDU.photonics.com 9/8/2009infrared detectorA device used to detect radiation from the infrared region. It may be a thermal detector, such as a bolometer, thermocouple or Golay cell, or it may be a solid-state photon detector....EDU.photonics.com 9/8/2009pyroelectric pulse detectorA current-source thermal detector used to detect and study the pulses obtained from particular lasers.VIDEOSPhotonics.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 3/29/2018Fundamentally Different Photonics - LIGHT MATTERS 03.2018On this month's episode of Light Matters, we take you to the South by Southwest (SXSW) Trade Show in Austin, Texas, as new photonics innovations hit the show floor of the Austin Convention Center....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.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 CATEGORIESTerahertz ScannersLinear Image SensorssCMOS Image SensorsInfrared Sensor CardsCOMPANIESPhotonics Buyers' GuideOphir, PhotonicsOphir is a brand within the MKS Instruments Light & Motion division. The Ophir product portfolio consists of laser and LED measurement products, including laser power and energy meters, laser...Photonics Buyers' GuideOpto Diode CorporationOpto Diode Corporation - Camarillo, CA - www.optodiode.com, an ITW Company, delivers industry-leading sensors, photodiodes, IR detectors, photonic modules,assemblies, and LEDs. Available in standard...Photonics Buyers' GuideLambda Research Optics Inc. (USA)Lambda Research Optics, Inc. is a leading manufacturer of laser optics with high power thin-film coatings and high precision fabrications. Lambda serves a wide range of industries, such as Biotech,...Photonics Buyers' GuideDataRay Inc.DataRay Inc. was founded in 1988 to bring high performance beam profiling to the photonics community. Since then, we have delivered a range of standard and custom beam-profiling products of...