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Fast and Widely-tunable, VBG Spectrally Narrowed, Picosecond Optical Parametric Oscillator for Backscatter Absorption Gas Imaging

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Abstract

We implement a fast and widely tunable picosecond OPO, based on an aperiodically-poled nonlinear crystal, tuned and spectrally narrowed by a chirped VBG, for backscatter absorption gas imaging of N2O around 3.82 µm.

© 2018 The Author(s)

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