• Media type: Text; Report; E-Book
  • Title: Impact of spatial inhomogeneities on on-axis pulse reconstruction in femtosecond filaments
  • Contributor: Brée, Carsten [Author]; Kretschmar, Martin [Author]; Nagy, Tamas [Author]; Kurz, Heiko G. [Author]; Morgner, Uwe [Author]; Kovačev, Milutin [Author]
  • Published: Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2014
  • Published in: Preprint / Weierstraß-Institut für Angewandte Analysis und Stochastik , Volume 2046, ISSN 2198-5855
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.34657/2525
  • Origination:
  • Keywords: nonlinear optics ; Pulse self-compression ; femtosecond filamentation
  • Description: We demonstrate a strong influence of the spatial beam profile on the vacuum-propagated on-axis pulse shapes for a femtosecond filament in argon. The effects can be minimized by transmitting the filament into the far-field by a laser-drilled pinhole setup. Using this method, we can monitor the pulse compression dynamics along the entire longitudinal extension of the filament, including the ionization-induced plasma channel.
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  • Access State: Open Access