Request InfoFemto EasyBiprism-based optical autocorrelation with retrieval (BOAR) is a technique of ultrashort-pulses characterization from Femto Easy SAS that relies on interferometric single-shot autocorrelation and two-photon absorption. The time delay is encoded into a spatial interferogram, which is used to evaluate the pulse duration, the 2-ω spectrum, and the chirp. There is no nonlinear crystal and no phase-matching issues, making the spectral working range very broad, from 1200 to 2400 nm. The BOAR provides reliable measurements and is spatially resolved. The technique is suitable for...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra October 2022 IssueCompact Beam ExpandersThe A1 series of compact beam expanders from Optical Surfaces Ltd. delivers ×30 magnification from 2-mm aperture high-power laser beam lines. 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