Request InfoBristol Instruments Inc.Bristol Instruments’ popular 871 system measures laser wavelength at a sustained rate of 1 kHz, the fastest available. It also measures wavelength to an accuracy as high as ±0.0001 nm. By combining proven Fizeau etalon technology with automatic calibration, the most reliable accuracy is ensured for the most meaningful experimental results.See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase March 2020 IssueAWGs with 24V Output SwingsSpectrum Instrumentation now offers 10 new Arbitrary Waveform Generators (AWGs) for high amplitude signals, with amplitude swings of up to ±12 V into 1 M? or ±6 V into 50 ?. They are...Photonics Showcase May 2019 IssueOptoFlat Flatness InterferometerThis production-ready 4-in. aperture, downward-looking interferometer uses a reliable LED low-coherence source to separate front surface from backside for testing thin parallel glass components with...Photonics Showcase February 2021 IssueMulti-kW Laser Beam ProfilingCCD chips can now survive exposure to multi-kW laser powers with the Ophir® LBS-300HP-NIR Beam Splitter. An industry first, this affordable, compact device reduces extremely high laser power an...Photonics Showcase January 2020 IssueHigh-Attenuation Beam SplitterThe Ophir® LBS-300HP-NIR Beam Splitter is a compact device that, for the first time ever, enables camera-based beam profiling for high-power lasers. It delivers extremely high power density...ARTICLESPhotonics.com 2/4/2020Quantum Logic Spectroscopy Improves Atomic Measurements by Factor of 100 MillionScientists from the Physikalisch-Technische Bundesanstalt (PTB) and the Max Planck Institute for Nuclear Physics (MPIK) have enabled precise optical measurements of highly charged ions by isolating a...Photonics Spectra March 2020 IssueNIST Proposes New Definition for Optical WattResearchers at the National Institute of Standards and Technology (NIST) seek to develop a more precise definition for the standard unit of light power, the optical watt. Instead of the current...Photonics.com 8/15/2019Spectroscopy Probes the Energy-Level Landscape of Solar CellsA new spectroscopic method developed by researchers at Heidelberg University could enable scientists to study the physical principles of organic photovoltaics with extreme precision to better...Photonics.com 3/5/2020Researchers Use Photonic Systems to Improve Quantum Orienteering ProtocolsScientists at the University of Science and Technology of China (USTC) have enhanced the performance of quantum orienteering with entangling measurements applied by way of photonic quantum walks. ...PHOTONICS HANDBOOK ARTICLESPhotonics 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 HandbookParticle Image Velocimetry: Basics, Developments and Techniques: New tools and techniques such as single-oscillator, double-pulsed lasers expand the applications for particle image velocimetry, particularly in aircraft design.Particle image velocimetry (PIV) is an experimental tool in fluid mechanics and aerodynamics. The basic principle involves photographic recording of the motion of microscopic particles that follow...Photonics HandbookNSOM: Discovering New Worlds: Near-field scanning optical microscopy (NSOM) is an optical microscopy technique capable of imaging objects with a resolution below the diffraction limit of conventional (far-field) microscopy; i.e., below approximately half the wavelength of the light used.NSOM is suitable for studies on the mesoscopic scale (several tens to hundreds of molecular dimensions). It has become an important tool in research and applications of semiconductors, organic layers...Photonics HandbookInterferometry: Measuring with Light: Long applied to optical shop testing, interferometry is now used to measure many different types of parts in a variety of applications, such as optical system performance, surface roughness, surface form, and displacement of moving surfaces.An interferometer is an instrument that compares the position or surface structure of two objects. The basic two-beam division of amplitude interferometer components consists of a light source, a...WHITEPAPERSPhotonics.com 1/14/2021How to Use Imaging Colorimeters for Automated Visual Inspection of DisplaysThe use of imaging colorimeters and associated analytical software for automated visual inspection (AVI) of displays is well established. A fundamental difference between imaging colorimetry and...Photonics.com 2/4/2020Making Color Images – How Bayer Filters WorkBayer filters are the most popular type of color filter array used by camera manufacturers to produce color images. This paper will describe how we perceive color, how a Bayer filter utilizes this...Photonics.com 9/17/2019Cassegrain Telescope with Fold MirrorThe following document will cover the analysis of a Cassegrain Telescope system. The polarization properties of the system will be measured with the Polaris-M software and the effects on imaging will...Photonics.com 9/5/2019How to Improve Resiliency in the Medical DeviceThis white paper examines how breakdowns in product quality, delivery, or availability can greatly disrupt supply chain management. But teaming up with a value-based, ISO 22301-certified supplier can...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 2/10/2021Arden Photonics OverviewDavid Robinson, CEO and founder of Arden Photonics Ltd., describes the company's international and collaborative mindset, and highlights our key product ranges. At Arden Photonics we design and...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 CATEGORIESOptical Sorting EquipmentSolar RadiometersA solar radiometer is a measurement radiant engergy, sun, solar equipment, sunlight, sun light, light measurement, intensity, radiant energy, solar radiationScanning RadiometersResearch MicroscopesCOMPANIESPhotonics Buyers' GuideBristol Instruments Inc.Bristol Instruments, Inc. designs, manufactures, and markets precision optical interferometer-based instruments for the scientific, fiber communications, and optical metrology markets. Its flagship...Photonics Buyers' GuideOptikos CorporationOptikos designs and manufactures metrology products for measuring and assuring optical image quality; and provides optical engineering design, development, and manufacturing services for clients in...Photonics Buyers' GuideArden Photonics Ltd.At Arden Photonics, we design and manufacture test equipment and components for measuring a range of properties of optical fibers. Our accurate and reliable products are trusted every day by some of...Photonics Buyers' GuideYelo LimitedSpecialized Products Yelo Laser Burn-In and Life-Test System: Qualification systems provide a modular tightly controlled environment in which to Burn-In and Life-Test photonics components such as...