Request InfoEdmund Optics Inc.BARRINGTON, N.J., July 21, 2011 — Infrared OD 4 bandpass filters that provide the high transmission and deep rejection necessary to isolate narrow spectral regions for use in a variety of applications have been unveiled by Edmund Optics. They are durable for use in harsh environments, 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 are suitable for use in environmental monitoring, security, gas analysis, biotech, biomedical, quantitative chemical and forward-looking...See full productRelated content from Photonics MediaPRODUCTSBioPhotonics May/Jun 2023 IssueBandpass FiltersThe ADVANTECH™ hard coat bandpass filters from Andover Corp. offer steep slopes, high light transmission, durability, and long life for demanding applications. 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