Request InfoEdmund Optics Inc.Infrared OD 4 bandpass filters that provide the high transmission and deep rejection necessary to isolate narrow spectral regions have been unveiled by Edmund Optics. They are durable, and their single-substrate dielectric construction ensures easy maintenance. The bandpass interference filters have a diameter of 25 mm and provide center wavelengths of 2.7 to 5.3 μm. They selectively transmit a narrow range of wavelengths while blocking out all others. The filters feature >OD 4 blocking with center wavelengths optimized for analyzing water vapor, ethanol, formaldehyde, CO2, CO and NO....See full productRelated content from Photonics MediaPRODUCTSPhotonics.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. 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We also offer other interference filters including UV filters, visible filters, and...PHOTONICS BUYERS' GUIDE CATEGORIESX-Ray SpectrometersAn x-ray spectrometer is designed to produce an x-ray spectrum of a material as an aid in identifying it. This technique is particularly useful when the material cannot be broken down physically.Contrast Enhancement FiltersColor Absorption FiltersMicropositionersCOMPANIESPhotonics Buyers' GuideFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideOhara CorporationOHARA manufactures more than 130 environmentally safe optical glass types, free of both lead and arsenic. 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