Request InfoIDEX Health & ScienceThe Melles Griot Optics Group, a provider of optical components, multielement lenses and contract-manufactured assemblies, has released additional Fizeau interferometer test optics to complement its Absolute Fizeau λ/40 transmission sphere product line. The company said the addition of Absolute Fizeau λ/50 concave and convex reference spheres allows users to record and store reference wavefronts for subtraction from interferometric test data, substantially improving their interferometer system's absolute accuracy. Also added to the product lineup are Absolute Fizeau λ/50...See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Jul/Aug 2022 IssueOptical Parametric OscillatorThe 17OPO-1-50 S Optical Parametric Oscillator from AMS Technologies AG generates short laser pulses for applications in the field of photoacoustic imaging. 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