Ionisation refraction as the cause of space — time modulation of a short intense laser pulse

The three-dimensional dynamics of the propagation of a short intense laser pulse in an ionising material is analysed. The modulation of the temporal profile of the laser pulse caused by the essentially three-dimensional dynamics of its propagation is studied using an analytic model proposed. The cri...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2002-01, Vol.32 (1), p.19-26, Article 19
Main Author: Chegotov, M V
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTROMAGNETIC RADIATION
IONIZATION
LASER RADIATION
MODULATION
NONLINEAR PROBLEMS
PULSES
RADIATIONS
REFRACTION
SPACE-TIME
THREE-DIMENSIONAL CALCULATIONS
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Summary:The three-dimensional dynamics of the propagation of a short intense laser pulse in an ionising material is analysed. The modulation of the temporal profile of the laser pulse caused by the essentially three-dimensional dynamics of its propagation is studied using an analytic model proposed. The criterion for realisation of various scenarios of the pulse propagation in an ionising gas is suggested. The numerical self-consistent analysis of the nonlinear propagation of the pulse in the ionising material showed the correctness of conclusions of the simplest analytic model. (interaction of laser radiation with matter. laser plasma)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2002v032n01ABEH002119