Request InfoIDEX Health & ScienceMelles Griot Optics Group has released additional Fizeau interferometric test optics to complement its line of Absolute Fizeau λ/40 transmission spheres. The Absolute Fizeau λ/50 concave and convex reference spheres will enable users to record and store reference wavefronts for subtraction from interferometric test data. The Absolute Fizeau λ/50 transmission flats will enable them to 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 during the testing...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra January 2024 IssueOptical Transceiver ModuleThe 400G QSFP-DD ZR/ZR+ from Approved Networks is a transceiver module for communications networks in data centers and broadband. 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