Request InfoEdmund Optics Inc.BARRINGTON, N.J., Oct. 9, 2018 — TECHSPEC Hard Coated OD 4.0 5-nm Bandpass Filters from Edmund Optics Inc. provide the high transmission and deep rejection necessary to isolate narrow spectral regions for use in a wide variety of applications. The devices exhibit a narrow, 5-nm full-width half max (FWHM), making them ideal for laser line cleanup applications. They allow for improved signal-to-noise ratio when compared to those achievable with wider band filters and may also be used in elemental or laser line separation, chemical detection, or fluorescence applications. 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