Request InfoAcal BFi UK Ltd.Suitable for measuring color, the Torus concave grating miniature spectrometers from BFI Optilas International SAS are visible-range (360 to 825 nm) units that deliver stability and low stray light with optical bench throughput. They provide increased sensitivity and throughput for low-level applications. The concave grating improves their thermal stability. Wavelength drift is nearly eliminated, and peak shape stays the same over a wide temperature range. The devices enable precision metrology, fluorescence and absorbance applications with demanding stray light and thermal stability...See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Mar/Apr 2023 IssueCompact SpectrometersThe compact ROCK VIS and VIS-NIR spectrometers from Ibsen Photonics are designed for blood gas analysis. 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Both of these terms describe the process of...Photonics HandbookSpectroscopy: The Tools of the TradeAll optical spectrometry techniques rely on the measurement of radiant power. The configuration of the instrument varies based on the measurement technique: absorption, emission, luminescence, or...Photonics HandbookOptical System Optimization: Analyzing the Effects of Stray LightElectrical engineers are very familiar with the effects of shot noise, thermal noise, flicker noise and crosstalk, and recognize how these effects can reduce the signal-to-noise ratio (SNR) in their...Photonics HandbookDynamic Interferometry: Getting Rid of the JittersConditions on the factory floor and in industrial cleanrooms with high-capacity air filtration systems can hamper the use of interferometry. 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The Ocean ST...Photonics.com 9/29/2022Improving the Efficiency of Monte Carlo Raytracing using Importance SamplingMonte Carlo raytracing algorithms have long been used in optical design and analysis software. A limitation of the Monte Carlo method is that low probability events or ray paths may be undersampled....WEBINARSPhotonics.com 4/18/2023Spectral Domain Optical Coherence Tomography: Best Practices and Benefits in OphthalmologyThe invention of optical coherence tomography (OCT) has allowed physicians, researchers, and various industries to obtain very detailed 3D images of a material's underlying physical structure. 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IR-endoscopes and...PHOTONICS DICTIONARY+ TERMSPhotonics DictionaryPaschen-Runge mountingA mounting used for large concave gratings, whereby the slit, grating and plate holder lie in the Rowland circle, and the photographic plates lie along a large portion of the circle. In this way, a...Photonics Dictionaryconcave gratingA reflecting grating ruled on a concave spherical surface that not only disperses the light but focuses the spectrum. The great advantage of this grating lies in the fact that no separate collimating...Photonics DictionaryspectrographAn optical instrument for forming the spectrum of a light source and recording it on a film. The dispersing medium may be a prism or a diffraction grating. A concave grating requires no other means...Photonics Dictionarydiffraction gratingA glass substrate carrying a layer of deposited aluminum that has been pressure-ruled with a large number of fine equidistant grooves, using a diamond edge as a tool. 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Quinsigamond Community College and WPI received a $4M grant...PHOTONICS BUYERS' GUIDE CATEGORIESFluorescence SpectrometersRaman Spectrometer Laser SystemsLaser Diode SpectrometersAtomic Fluorescence SpectrometersCOMPANIESPhotonics 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,...Photonics 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' GuideSpectrum Scientific Inc. (SSI)Spectrum Scientific, Inc (SSI) manufactures high volume flat, aspheric, and freeform reflective mirrors and holographic diffraction gratings using an optical replication process allowing us to supply...Photonics Buyers' GuideAvantes BVAvantes has spent the last 30 years refining its mission as a trusted and innovative optical instruments and solutions source. Focused on applications and measurements, Avantes offers Spectrometers,...