Request InfoOmega Optical LLCI-line interference optical filters for photolithography are available from Omega Optical. Supplied in 124- and 165-mm diameters, the filters are constructed from durable oxide films deposited on fused silica substrates via electron beam with ion-assist for stability over time and varying environmental conditions. They transmit the five lines of the mercury i-line with bandwidth, center wavelength and filter construction designed for maximum throughput and filter life. The company says that the filters, made without epoxies, exceed intensity levels offered by OEM replacement filters by 10% to...See full productRelated content from Photonics MediaPRODUCTSPromoted Content September 2023 IssueAdvanced Materials & Optical CoatingsDSI produces a wide variety of highly reliable, durable, and heat-resistant optical coatings which include Absorption Coatings or Dark Mirrors, Bandpass Filters, Patterned Coatings and Coating...Promoted Content August 2023 IssueNotch FiltersNotch filters eliminate or block a range of wavelengths while transmitting both shorter and longer wavelengths outside of the blocked region. Thus, they provide the exact opposite functionality of a...Promoted Content October 2022 IssueIR FiltersDSI designs and manufactures thin film coatings such as bandpasses, beamsplitters, ARs, and absorption coatings for use in the MWIR thru LWIR wavelength regions. 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