Request InfoRadiant Vision Systems, Test & MeasurementEvaluate the accuracy of light and color in backlit signs and other illuminated components with increased throughput and consistent data. Radiant Vision Systems ProMetric® I Imaging Colorimeters are the fastest, most accurate light and color measurement devices for R&D and production applications. Perform automated measurements of light and color values including luminance, chromaticity (CIE color coordinates), uniformity, luminous intensity, luminous flux, correlated color temperature (CCT), pixel/line defects and cloudiness (mura) in displays, and a broad range of other...See full productRelated content from Photonics MediaPRODUCTSPromoted Content October 2021 Issue1-Click, 6-Angle Display TestingThe only spectroradiometer with display testing and characterization from six different angles simultaneously. Display angle performance is determined immediately from one click empowering production...Photonics.com 5/27/2021Imaging ColorimeterThe ProMetric® I61 Imaging Colorimeter from Radiant Vision Systems LLC provides high-resolution colorimetric imaging. ProMetric imaging metrology solutions are used to measure properties of...Photonics.com 5/28/2021Imaging PhotometersThe ProMetric® Y45 and Y61 imaging photometers from Radiant Vision Systems LLC provide high-resolution photopic and radiometric imaging. ProMetric imaging metrology solutions are used to...Photonics.com 9/22/2020Machine Vision Software ToolkitThe INSPECT™ R1 Software Toolkit from Radiant Vision Systems LLC is designed for advanced machine vision applications. Used with a ProMetric® Y-Series imaging system, the...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 Spectra February 2022 IssueHow Single-Photon Detection Powers Countless ApplicationsThe technologies we use in our everyday activities to monitor the world around us — to develop new medicines or to produce the materials we use to build homes, offices, and factories —...Photonics Spectra June 2022 IssueIntegrated Photonics-Based Memristor Could Link AI, Quantum ComputingBy developing a photonic quantum memristor, researchers at the University of Vienna, the National Research Council (CNR), and the Polytechnic University of Milan may have found a way to link...Photonics Spectra March 2022 IssueOptical Oscilloscope Could Increase Data Rates by Factor of 10,000Researchers at the University of Central Florida (UCF) have developed an optical oscilloscope. The instrument converts light oscillations into electrical signals to measure the electric field of...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookColorimetry: How to Measure Color Differences: Colorimetry, the science of color measurement, is widely employed in commerce, industry and the laboratory to express color in numerical terms and to measure color differences between specimens. Applications include paints, inks, plastics, textiles and apparel, food and beverages, pharmaceuticals and cosmetics, displays, and other parts and products that reflect or transmit color.The use and importance of colorimetry has grown in unison with the increase of global manufacturing and processing. When plastic automotive trim produced on one continent must match a painted metal...Photonics HandbookImaging Colorimetry: Accuracy in Display and Light Source Metrology: CCD-based instruments provide accurate photometric and colorimetric data for each image pixel, which enables precise characterization of displays, instrument panels, light sources and luminaires for parameters including color, luminance, uniformity, contrast, Mura and defects, and view angle performance.The market for flat panel displays (FPDs) has undergone tremendous growth, driven mostly by increased demand for televisions, cell phones, computers, digital cameras and MP3 players. Similarly,...Photonics HandbookRadiometry: A Simplified Description of Light Measurement: Radiometry involves measuring and predicting levels of optical radiation. This article removes some of the confusion surrounding this often complex technology.Radiometry involves several activities. The two most common are the description and measurement of optical radiation, and, starting with the knowledge of some aspects of optical radiation at one...Photonics HandbookIntegrating Spheres: Collecting and Uniformly Distributing Light: The integrating sphere is a simple, yet often misunderstood, device for measuring optical radiation.An integrating sphere’s function is to spatially integrate radiant flux (light). However, before one can optimize a sphere design for a particular application, it is important to understand how...WHITEPAPERSPhotonics.com 2/1/2021Measuring and Correcting MicroLED Display UniformityAs individual emissive elements, microLEDs commonly exhibit luminance and color variations at the pixel level. These variations require each microLED to be measured and adjusted individually to...Photonics.com 1/14/2021Automated Solutions for SAE Standard HUD MeasurementHead-up display (HUD) technology is one of the largest growth areas in the automotive market, and standard measurement criteria are rapidly being defined to evaluate augmented projections for visual...Photonics.com 1/14/2021Using Imaging Colorimeters to Correct OLED, MicroLED, and Other Emissive Displays for Production Efficiency and YieldsImaging colorimeters can improve OLED and microLED display production by ensuring visual quality of displays — measuring brightness and color uniformity at the pixel and subpixel level to correct...Photonics.com 2/25/2021Measuring and Correcting MicroLED Display UniformityMicroLEDs unlock next-level display performance, but inherent variability between LEDs can result in visual quality issues that impede production volumes needed for commercialization. Imaging systems...WEBINARSPhotonics.com 8/19/2020Principles and Applications of Light and Color MeasurementThe properties of light that stimulate the eye and build our visual perception also guide the design of illuminated devices. Thanks to well-established scientific methods, we can quantify the human...Photonics.com 1/20/2021Colorimetry: A Primer on the Science of Color MeasurementThe human eye is a specially calibrated optical instrument. Our eyes have a unique response to different wavelengths of light — a response that builds our perception of color and influences our...Photonics.com 11/18/2021Novel Solutions for XR Optical Testing: Displays, Waveguides, Near-IR, and BeyondExtended reality (XR) devices invoke a host of optical innovations — from micro-LED microdisplays to waveguide optics to near-infrared sensing systems. Combinations of these components have...Photonics.com 7/7/2020Radiometric Accuracy and Commercial UAVs: A Clash of Cultures?While the explosion in the commercial drone industry has benefited a wide variety of applications including crop mapping and farmland surveying, the delivery to the farmer of accurate radiometric...PHOTONICS DICTIONARY+ TERMSEDU.photonics.com 9/8/2009chromaticity coordinatesProportions of standard primaries (tristimulus values) required for a color match; ratios of each tristimulus value of a color to their sum. In the CIE colorimetric system, designated X, Y and Z.EDU.photonics.com 9/8/2009tristimulus colorimeterEDU.photonics.com 9/8/2009tristimulus integrationComputation of tristimulus values by integrating or summing, over the visible wavelength region, the product of the relative spectral power of a CIE standard source, the reflectance of the object...EDU.photonics.com 9/8/2009photoelectric colorimeterA system having a photoelectric detector for the measurement of three quantities related by linear combination to tristimulus values of a sample.VIDEOSPhotonics.com 10/9/2020Product Demo: Display Testing in AR and VR HeadsetsEvaluating the visual quality of displays as viewed through augmented and virtual reality headsets requires testing from the vantage point of the user. Radiant Vision Systems provides a comprehensive...Photonics.com 3/25/2022Visibly Perfect: Test & Correction Solutions for MicroLED, OLED, and Other Displays - Radiant Vision SystemsRadiant's portfolio of display test and correction solutions is designed for both R&D and high-throughput inspection applications including pixel-level measurement and calibration (demura).Photonics.com 4/28/2017Radiant Vision Systems - Automated Visual Inspection in LCD ProductionSee how Radiant Vision Systems imaging photometers and colorimeters are applied at each stage in the production of LCD display devices. ProMetric imaging systems offer the highest resolution to...Photonics.com 6/18/2021LumiTop X20 - Soon to come!Instrument Systems presents a special highlight: The preview of the new LumiTop X20, upcoming in autumn 2021. Building on the established 2700 and 4000 models, the LumiTop X20 will offer a high...PHOTONICS BUYERS' GUIDE CATEGORIESColorimetersColorimeters are visual or photoelectric instruments for measuring color using (usually) three filters with broad spectral bands.Calibration StandardsCalibrated Light SourcesA calibrated light source is a lamp whose output can be traced to a standard light source.IlluminometersAn illuminometer is a photometric instrument used to measure the illumination falling on a surface. It may be photoelectric or visual.COMPANIESPhotonics Buyers' GuideRadiant Vision Systems, Test & MeasurementRadiant Vision Systems engineers advanced imaging systems to evaluate light, color, manufacturing integrity, and surface quality of illuminated displays, backlit components, light sources,...Photonics Buyers' GuideAdmesy BVMEASURING COLOUR IN A WORLD OF LIGHT! Admesy offers a broad range of test and measurement instruments focused on colour and light measurements in inline production process environments. All...Photonics Buyers' GuideLabsphere Inc.For nearly forty years, Labsphere has developed test and measurement solutions for a wide variety of photometry applications. Integrating Spheres & Components Allows users to build their...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,...