BRIZARD, Benoit; LEBLANC, Adrien; PETIT, Stephane; DELAGNES, Jean-Christop; CORMIER, Éric; IBRAHIM, Heide; LÉGARÉ, François; LASSONDE, Philippe

doi:10.1364/OE.409342

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BRIZARD, Benoit
Énergie Matériaux Télécommunications - INRS [EMT-INRS]

LEBLANC, Adrien
Laboratoire d'optique appliquée [LOA]

PETIT, Stephane
Centre d'Etudes Lasers Intenses et Applications [CELIA]

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Optics Express. 2020-11-23, vol. 28, p. 35807

Optical Society of America - OSA Publishing

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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.< Leer menos

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nonlinear optics

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

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