Request InfoIDEX Health & ScienceThe Melles Griot Optics Group has unveiled additional Fizeau interferometer test optics to complement its line of Absolute Fizeau λ/40 transmission spheres. The Fizeau λ/50 concave and convex reference spheres enable users to record and store reference wavefronts for subtraction from interferometric test data, resulting in improved accuracy of their interferometer systems. The Fizeau λ/50 transmission flats increase the accuracy of Zygo-style Fizeau surface and wavefront-testing interferometers to λ/50 without the need to store, manipulate or subtract reference wavefronts...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2023 IssueOptical MuxponderThe DQM400 four-port optical muxponder system from XKL LLC is designed to help network operators increase efficiency and reduce costs. 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