Request InfoCoherent Inc.Coherent Inc. offers the industry's widest selection of test and measurement capabilities, including standard instruments, detectors and custom systems. We offer products for power and energy measurement, wavelength and spectral analysis, and beam diagnostics. Whether you're measuring a laser's performance, obtaining laser system feedback or maintaining control of an application, test and measurement products from Coherent can help you get results that are easier to obtain and more accurate. For example, the new dBCheck is a handheld power meter that provides measurements of fiber optic...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra October 2022 IssueLaser Power MeterThe LabMax Touch Pro laser power meter from Coherent Inc. makes data acquisition and analysis for nW continuous wave lasers up to multi-kW, pulsed industrial lasers easy to access through an...Photonics.com 10/2/2023C- & L-band Optical Network TestersThe WaveMaker™ 4000A, WaveShaper® 1000B, and WaveShaper® 4000B from Coherent are instruments made to test optical networks. The WaveMaker instrument series operates in the C-band, and...Photonics Spectra October 2023 IssueWafer Measurement SystemThe NEXIV VMZ-NWL 200 from Nikon is an automatic wafer measurement system developed to solve the challenges of wafer metrology in the back-end of the semiconductor manufacturing process. The product...Photonics Spectra September 2022 IssuePower DetectorsThe HP60A-15KW-GD-QBH power detector series from Gentec Electro-Optics Inc. is designed for the measurement of fiber lasers with powers of up to 15 kW. Users can measure average laser power for...ARTICLESPhotonics.com 4/7/2023Ams OSRAM Wraps Digital Systems Business Divestiture: Week in Brief: 04/07/23Electro Optic Systems (EOS) secured a conditional contract to supply remote weapon systems (RWS) to Ukraine valued at up to $80 million. EOS’ Defence Systems business secured the contract with...Photonics Spectra January 2023 IssueMiniaturized Spectrometer Proves Fit for Compact ElectronicsScientists in Europe have collaborated to develop an ultracompact spectrometer design that offers large bandwidth, moderate spectral resolution, and a spectral sensitivity in the infrared (IR)...Photonics.com 7/7/2023Resolve Optics Opens Test Center: Week in Review: 07/07/23Resolve Optics installed and commissioned a new vibration test center adding to the suite of in-house lens-testing equipment the company is able to offer. Lenses used in harsh industrial inspection...Photonics.com 10/11/2023Coherent Appoints Board Directors: People in the News: 10/11/2023Coherent Corp. appointed two directors to its board: Elizabeth Patrick and Michelle Sterling. Patrick recently served as senior vice president and chief people officer for Diebold Nixdorf, a...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookRules of ThumbPhotonics Rules of Thumb Scientists and engineers tend to want to answer simple relational questions with a blackboard covered with equations, even when questioners just want a rough estimate to...Photonics 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 HandbookPhotometry: The Answer to How Light Is PerceivedThat portion of the spectrum that the eye can see — and its rainbow of colors — is rather small, covering approximately 360 to 830 nm. What colors we perceive depends on wavelength, while...Photonics HandbookRadiometry: A Simplified Description of Light MeasurementRadiometry 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...WHITEPAPERSPhotonics.com 12/15/2023Mini Size 1535-nm Eye-safe Laser Rangefinder Module for Distance SensorThe Lumispot Tech LSP-LRS-0310F is a compact and lightweight laser rangefinder module, notable for being the smallest of its kind, weighing only 33 g. It is a highly precise tool for measuring...Photonics.com 3/18/2024Monolithic Hollow Corner Cube Retroreflectors for Precision MetrologyThis white paper compares the advantages and disadvantages of different types of retroreflectors. It highlights the advantages of monolithic, hollow retroreflectors which do not suffer from chromatic...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...Photonics.com 9/14/2023Phase Detection with Lock-in Amplifier and PhasemeterPrecise and sensitive phase detections are often required for impedance and optics-based measurements. For example, measuring the phase shift between current and voltage reveals the complex impedance...WEBINARSPhotonics.com 1/10/2022KEYNOTE: The Present and Future of Quantum Semiconductor Laser Diodes from UV to THzNature offers us a full assortment of atoms, but quantum engineering is required to put them together in an elegant way to realize functional structures not found in nature. A particularly rich...Photonics.com 1/10/2022Photonics Spectra Conference 2022: January 10 - 13Photonics Media will host its second annual Photonics Spectra Conference Jan. 10-13. The virtual event will comprise four technology tracks — Lasers, Optics, Sensors and Detectors, and Imaging...Photonics.com 6/20/2023Revolutionizing Measurements: Next-Generation Strategies for Modern Phase DetectionLiquid Instruments co-founder and CEO Daniel Shaddock shares next-generation strategies to perform optical phase locking using digitally implemented, FPGA-based lock-in amplifiers and phasemeters. He...Photonics.com 9/16/2020Principles of Laser Beam ProfilingBeam profiling describes the measurement of the spatial distribution of power of a laser beam. Laser users often wonder if they need to profile their lasers but may have nagging doubts as to why....PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarymicrobubble resonatorA microbubble resonator is a device used in photonics and optical physics for the precise manipulation of light waves. It consists of a micro-sized, gas-filled spherical cavity (the "microbubble")...Photonics DictionaryoptoelectronicsOptoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is...Photonics Dictionarysmart pixel arrayAn array of active optical devices (modulators, laser diodes and/or detectors), each of whose electrical inputs or outputs are directly connected to electronic logic circuits, which also are a part...Photonics Dictionaryspectral flow cytometrySpectral flow cytometry is an advanced flow cytometry technique that expands the capabilities of traditional flow cytometry by utilizing spectral information from fluorochromes to enhance...VIDEOSPhotonics.com 9/28/2017Light Matters Extra: Optics & Photonics Technology Program, STCC - 09.2017In this month’s Light Matters Extra, we take you to the Springfield Technical Community College campus and introduce you to Professor Nick Massa, who has been teaching Optics and Photonics there for...Photonics.com 5/2/2022Applied Scientific InstrumentationEstablished in 1990, Applied Scientific Instrumentation is a reknown American company committed to the advancement of science. ASI products have been thoroughly tested and evaluated in numerous labs...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 6/18/2021LumiTop X20 - Soon to come! - Instrument Systems GmbHInstrument 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 CATEGORIESVacuum Leak DetectorsPhotometric DetectorsOptical Strain Measurement GaugesOptical Thickness GaugesCOMPANIESPhotonics Buyers' GuideOZ Optics LimitedEstablished in 1985, OZ Optics is a leading worldwide supplier of fiber optic components, test equipment and sensors. OZ Optics manufactures its products in three locations, Ottawa (Canada),...Photonics Buyers' GuideAndor TechnologyAndor Technology Ltd is a global developer and manufacturer of high-performance scientific cameras, microscopy systems and spectrographs for academic, government, and industrial applications. Founded...Photonics Buyers' GuideTeledyne Judson TechnologiesTeledyne Judson Technologies (TJT) is a global leader for IR sensors from the Visible to VLWIR spectrum. Two-dimensional FPAs (InGaAs, InSb, and MCT) and Integrated Dewar Cooler Assemblies (IDCAs)...Photonics Buyers' GuideBAE Systems Sensor SolutionsExpanding upon the storied Fairchild Imaging legacy, we offer a wide range of imaging devices that provide our customers with top performance and key features for the most demanding applications. Our...