Request InfoIridian Spectral TechnologiesIridian Spectral Technologies Ltd. has unveiled a line of ultrasteep short-pass edge filters for Raman spectroscopy applications. Available at 514.5, 532, 633 and 785 nm, they deliver tight edge steepness of <80 cm–1, passband ripple of ±<2%, a 20-mm clear aperture and laser line blocking of >6 optical density. The RoHS-compliant filters meet MIL specifications for environmental testing and mechanical durability. All use hard dielectric coatings and none requires cover glass. Transmittance is >90%, scratch-dig surface quality is 60/40, and temperature dependence is 5 pm/°C.See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase August 2023 IssueUltraviolet (UV) FiltersDiscover exceptional performance in UV light control with Chroma’s UV Filters, precision engineered to deliver the accuracy and quality your project demands. 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