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Femtosecond laser pulse filamentation versus optical breakdown in H2O

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Abstract.

The competition between femtosecond laser pulse induced optical breakdown and femtosecond laser pulse filamentation in condensed matter is studied both experimentally and numerically using water as an example. The coexistence of filamentation and breakdown is observed under tight focusing conditions. The development of the filamentation process from the creation of a single filament to the formation of many filaments at higher pulse energy is characterized systematically. In addition, strong deflection and modulation of the supercontinuum is observed. They manifest themselves at the beginning of the filamentation process, near the highly disordered plasma created by optical breakdown at the geometrical focus.

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Authors and Affiliations

  1. Département de Physique, de Génie Physique et d’Optique and Centre d’Optique, Photonique et Laser, Université Laval, Québec, QC, G1K 7P4, Canada, , , , , , CA

    W. Liu, A. Iwasaki & S.L. Chin

  2. International Laser Center, Physics Department, Moscow State University, Moscow, 119992, Russia, , , , , , RU

    O. Kosareva, I.S. Golubtsov & V.P. Kandidov

  3. Fakultät für Physik, Universität Bielefeld, Postfach 100 131, 33501 Bielefeld, Germany, , , , , , DE

    A. Becker

Authors
  1. W. Liu
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  2. O. Kosareva
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  3. I.S. Golubtsov
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  4. A. Iwasaki
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  5. A. Becker
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  6. V.P. Kandidov
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  7. S.L. Chin
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Additional information

Received: 9 July 2002 / Revised version: 15 November 2002 / Published online: 19 March 2003

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ID="*"Corresponding author. Fax: +1-418/6562-623, E-mail: wliu@phy.ulaval.ca

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Liu, W., Kosareva, O., Golubtsov, I. et al. Femtosecond laser pulse filamentation versus optical breakdown in H2O . Appl Phys B 76, 215–229 (2003). https://doi.org/10.1007/s00340-002-1087-1

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  • DOI: https://doi.org/10.1007/s00340-002-1087-1

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