Other
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..611..177m&link_type=abstract
SUPERSTRONG FIELDS IN PLASMAS: Second International Conference on Superstrong Fields in Plasmas, Second International Conference
Other
Self-Focussing, Channeling, And Filamentation In Plasmas, Relativistic Plasmas, Nonlinear Phenomena: Waves, Wave Propagation, And Other Interactions, Laser-Plasma Acceleration Of Electrons And Ions
Scientific paper
The dynamics of ultrashort, high-power laser pulses in underdense plasmas differs dramatically from that of long laser beams. We present the results of numerical studies of this dynamics within a model, which systematically incorporates finite pulse length (i.e., dispersion) effects along with diffraction and nonlinear refraction in a strongly nonlinear relativistic regime. New spatio-temporal patterns of self-compression and self-focusing typical of ultrashort high-intensity laser pulses are analyzed. The parameters of our numerical simulations correspond to a new class of high-peak-power (>=100 TW), ultrashort-pulsed laser systems, producing pulses with a duration in the 10-20 femtosecond range. .
Lontano Maurizio
Murusidze Ivane G.
Suramlishvili Givi I.
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