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Random deflection of the white light beam during self-focusing and filamentation of a femtosecond laser pulse in water

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Abstract.

Ti:sapphire femtosecond laser pulse filamentation in competition with optical breakdown in condensed matter is studied both experimentally and numerically using water as an example. Strong random deflection and modulation of the supercontinuum under tight focusing conditions were observed. They manifest 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. Departement de Physique, de Génie Physique et d’Optique et Centre d’Optique, Photonique et Laser, Université Laval, Québec, 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: 13 June 2002 / Revised version: 16 August 2002 / Published online: 25 October 2002

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ID="*"Corresponding author. Fax: +1-418/656-2623, E-mail: wliu@phy.ulaval.ca

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Liu, W., Kosareva, O., Golubtsov, I. et al. Random deflection of the white light beam during self-focusing and filamentation of a femtosecond laser pulse in water . Appl Phys B 75, 595–599 (2002). https://doi.org/10.1007/s00340-002-1036-z

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  • DOI: https://doi.org/10.1007/s00340-002-1036-z

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