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Babushkin, Ihar [Author]; Kuehn, Wihelm [Author]; Köhler, Christian [Author]; Skupin, Stefan [Author]; Bergé, Luc [Author]; Reimann, Klaus [Author]; Woerner, Michael [Author]; Herrmann, Joachim [Author]; Elsaesser, Thomas [Author]

Ultrafast spatio-temporal dynamics of terahertz generation by ionizing two-color femtosecond pulses in gases - [published Version]

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  • Media type: Text; E-Book; Report
  • Title: Ultrafast spatio-temporal dynamics of terahertz generation by ionizing two-color femtosecond pulses in gases
  • Contributor: Babushkin, Ihar [Author]; Kuehn, Wihelm [Author]; Köhler, Christian [Author]; Skupin, Stefan [Author]; Bergé, Luc [Author]; Reimann, Klaus [Author]; Woerner, Michael [Author]; Herrmann, Joachim [Author]; Elsaesser, Thomas [Author]
  • imprint: Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2010
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.34657/3423
  • ISSN: 0946-8633; 0946-8633
  • Keywords: Ultrashort pulse propagation ; Photoionization ; THz light generation
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: We present a combined theoretical and experimental study of spatio-temporal propagation effects in terahertz (THz) generation in gases using two-color ionizing laser pulses. The observed strong broadening of the THz spectra with increasing gas pressure reveals the prominent role of spatio-temporal reshaping and of a plasma-induced blue-shift of the pump pulses in the generation process. Results obtained from (3+1)-dimensional simulations are in good agreement with experimental findings and clarify the mechanisms responsible for THz emission.
  • Access State: Open Access