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Author: Brée, Carsten × Subject: nonlinear optics ×

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    Femtosecond filamentation by intensity clamping at a Freeman resonance
    (Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2014) Hofmann, Michael; Brée, Carsten
    [no abstract available]
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    Impact of spatial inhomogeneities on on-axis pulse reconstruction in femtosecond filaments
    (Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2014) Brée, Carsten; Kretschmar, Martin; Nagy, Tamas; Kurz, Heiko G.; Morgner, Uwe; Kovačev, Milutin
    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.