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Proceedings Paper

Spatiotemporal reshaping and compression of high intensity femtosecond pulses
Author(s): V. I. Trunov; E. V. Pestryakov; V. V. Petrov; A. V. Kirpichnikov; S. A. Frolov; D. S. Harenko; S. N. Bagayev
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Paper Abstract

Experimental results of self-compression of femtosecond pulses under filamentation in argon and xenon are presented. The mode of a self-compression in xenon is realized for the first time. The dependence of the spectrum broadening from pressure of these gases, input energy and focusing parameters are studied in detail. The spectral and temporary profiles of the first and the second filaments at multiple filamentation are analyzed. Features of multiple filamentation are revealed in xenon. For the first time experimentally the effect of restriction a number of filaments and effective swapping of energy from one filament to another (more than 70 % of energy in two-filament mode without increasing of their amount is founded). The possible mechanism of the phenomenon related with the saturation of the third order nonlinearity in xenon and influence of the higher fifth-order susceptibility χ(5) are discussed.

Paper Details

Date Published: 17 July 2007
PDF: 9 pages
Proc. SPIE 6725, ICONO 2007: Nonlinear Space-Time Dynamics, 67251E (17 July 2007); doi: 10.1117/12.750075
Show Author Affiliations
V. I. Trunov, Institute of Laser Physics (Russia)
E. V. Pestryakov, Institute of Laser Physics (Russia)
V. V. Petrov, Institute of Laser Physics (Russia)
A. V. Kirpichnikov, Institute of Laser Physics (Russia)
S. A. Frolov, Institute of Laser Physics (Russia)
D. S. Harenko, Institute of Laser Physics (Russia)
S. N. Bagayev, Institute of Laser Physics (Russia)

Published in SPIE Proceedings Vol. 6725:
ICONO 2007: Nonlinear Space-Time Dynamics
Yuri Kivshar; Nikolay Rosanov, Editor(s)

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