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Article Dans Une Revue Optics Express Année : 2020

Single-shot phase-matching free ultrashort pulse characterization based on transient absorption in solids

Résumé

The frequency-resolved optical switching (FROSt) method developed for ultrashort pulse characterization is implemented for single-shot measurements. In this basic demonstration, the delay axis of the spectrogram is spatially encoded by the pump beam having a small incident angle with the photoexcited material. We present the calibration procedure for spectrograms acquired in single-shot and the temporal characterization of 44 fs pulses with central wavelength at 800 nm both in scanning and single-shot FROSt configurations. The retrieved pulses are compared by means of the root-mean-square field error. Finally, the pulses are propagated through a known dispersive material to measure the added group-delay dispersion.

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Dates et versions

hal-03021345 , version 1 (24-11-2020)

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Benoit Brizard, Adrien Leblanc, Stephane Petit, Jean-Christop Delagnes, Éric Cormier, et al.. Single-shot phase-matching free ultrashort pulse characterization based on transient absorption in solids. Optics Express, 2020, 28, pp.35807. ⟨10.1364/OE.409342⟩. ⟨hal-03021345⟩
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