Request InfoPhoton etc.While maintaining throughput up to 80% at an operating wavelength between 350 nm and 2.5 μm, Tunable Top Notch Filters from Photon etc. block very narrow bandwidths while giving access to Raman shifts lower than 10 cm–1 with a minimum optical density of 4. For Raman applications, the filters collect Stokes and anti-Stokes data simultaneously. Replacing triple spectrographs, the filters are based on volume Bragg gratings and feature all-glass holographic filters that are compact and easy to align. The computer-controlled system, which comes complete with drivers and software, operates...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra November 2022 IssueEmission Line FiltersTwo Hydrogen Alpha (H-alpha) Emission Line Filters for astronomy applications have been announced by Alluxa Inc. 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Thanks to well-established scientific methods, we can quantify the human...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryoptical filterAn optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical filters are used to control the spectral content of light in various...Photonics Dictionarynear-infrared cameraA near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the electromagnetic spectrum. The near-infrared spectrum typically extends from about 700...Photonics DictionaryFizeau fringesFizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau interferometer is named after the French physicist Armand Fizeau, who...Photonics DictionaryShack-Hartmann wavefront sensorThe Shack-Hartmann wavefront sensor is an optical device used for measuring the wavefront aberrations of an optical system. 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From an optical manufacturer's perspective,...Photonics.com 10/25/2023Introduction to OptometricsLearn about the team behind Efficiency Replicated. Experience. Trust. Partnership. We are your diffractive optics design solution partner.PHOTONICS BUYERS' GUIDE CATEGORIESAstronomical MirrorsAn astronomical mirror, also known as a telescope mirror or primary mirror, is a key component of a reflecting telescope. It serves as the primary optical element responsible for gathering and...Astronomical OpticsDiffusing Screens for Light Sources and LensesA diffusing-- for light sources and lenses screen is a diffusing screen is a transparent filter that reduces the light (or some wavelengths of the light) passing through it.Detector/Filter CombinationsCOMPANIESPhotonics Buyers' GuidePhoton etc.Photon etc. is a renowned Quebec company located in the heart of Montreal, specializing in the design and manufacture of hyperspectral and infrared imaging systems. 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