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

  • Benoit Brizard
  • , Adrien Leblanc
  • , Stéphane Petit
  • , Jean Christophe Delagnes
  • , Éric Cormier
  • , Heide Ibrahim
  • , François Légaré
  • , Philippe Lassonde
  • Institut National de la Recherche Scientifique
  • Centre national de la recherche scientifique
  • LP2N
  • Institut Universitaire de France

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)35807-35815
Number of pages9
JournalOptics Express
Volume28
Issue number24
DOIs
Publication statusPublished - 23 Nov 2020

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