Request InfoBristol Instruments Inc.The 621 laser wavelength meter introduced by Bristol Instruments Inc. uses optical interferometry to measure wavelength with high accuracy, reliability, versatility and convenience. Model 621A measures absolute wavelength with ±0.2-ppm accuracy, and the 621B delivers an accuracy of ±1.0 ppm. The built-in wavelength standard performs continuous calibration. Various versions operate from 350 nm to 4.0 µm. The devices are suitable for high-resolution laser spectroscopy, photochemistry and optical remote sensing.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra March 2023 IssueOptical Inspection SystemThe Photon Optical Inspection System from LMI Technologies Inc. provides fast, high-precision scanning of manufactured materials. 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It is a highly precise tool for measuring...WEBINARSPhotonics.com 10/25/2023Digital Chemical Histopathology: Fast Infrared Spectroscopic Imaging Provides Practical SolutionsHistopathology underpins many diagnostic tests and research in solid tissues. The recognition of important tissue structures and disease progression is typically conducted by examining morphology and...Photonics.com 11/2/2017Making Laser-Based Dermatologic Procedures Safer and More EffectiveIn this webinar you will learn about a new technique, called sonoillumination, which uses ultrasound in conjunction with a clinical laser for procedures such as the removal of birthmarks and tattoos....Photonics.com 6/30/2021European Photonics Manufacturing Services Funded by ECThis event is supported by the European initiatives presented and is moderated by EPIC, the European Photonics Industry Consortium. 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A system that has an array of lasers sharing a common central axis on a rotating Fabry plate to achieve increased laser firing rates by sequential Q-switching.Photonics Dictionaryoptical nonlinearityThe phenomenon that makes nonlinear the mathematical expression for the electrical polarization of a medium through which lightwaves are passing. Characterizes high-power lasers principally;...Photonics Dictionaryinfrared light sourceAn infrared light source is a device that emits light in the infrared spectrum, which lies beyond the visible spectrum of light. Infrared light has longer wavelengths than visible light and is...VIDEOSPhotonics.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. 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The...PHOTONICS BUYERS' GUIDE CATEGORIESVibration Measurement Laser SystemsUltraviolet Inspection TestingOptical Air Pollution Measurement and Control SystemsFrequency CombsA frequency comb is a precise and regular series of equally spaced spectral lines, or frequencies, that are generated with great accuracy. 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More than 300 tons of optical glass are melted per month, available in the following forms of...