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Fokker–Planck simulations of interactions of femtosecond laser pulses with dense plasmas

Published online by Cambridge University Press:  09 March 2009

J. Limpouch ,
L. Drska  and
R. Liska
J. Limpouch
Affiliation:
Computational Physics Group, Department of Physical Electronics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech Republic
L. Drska
Affiliation:
Computational Physics Group, Department of Physical Electronics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech Republic
R. Liska
Affiliation:
Computational Physics Group, Department of Physical Electronics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech Republic
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Abstract

The interaction of femtosecond laser pulses with solid-state density plasmas in regime of normal skin effect is investigated by means of numerical simulation. For short-wavelength lasers and laser pulses with length ≲ 120 fs full width at half maximum, the regime of normal skin effect is shown to hold for peak intensities up to 1017 W/cm2. The basic characteristics of the interaction are revealed and certain departures from simplistic models in electron distribution function, in plasma dielectric constant, and in laser absorption are pointed out. Comparison with the published experimental results is made.

Type
Research Article
Information
Laser and Particle Beams , Volume 12 , Issue 1 , March 1994 , pp. 101 - 110
Copyright
Copyright © Cambridge University Press 1994

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