Conversion of electromagnetic waves at the ionisation front

It is shown that a weak electromagnetic pulse interacting with a copropagating ionisation front is converted in the general case into three electromagnetic pulses with higher and lower frequencies, which propagate in different directions. The coefficients of conversion to these pulses (for intensiti...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2001-09, Vol.31 (9), p.804-810
Main Author: Chegotov, M V
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
CONVERSION
ELECTROMAGNETIC PULSES
ELECTROMAGNETIC RADIATION
ELECTRONS
ELEMENTARY PARTICLES
FERMIONS
FREQUENCY DEPENDENCE
IONIZATION
LASER RADIATION
LEPTONS
PULSES
RADIATIONS
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Summary:It is shown that a weak electromagnetic pulse interacting with a copropagating ionisation front is converted in the general case into three electromagnetic pulses with higher and lower frequencies, which propagate in different directions. The coefficients of conversion to these pulses (for intensities) were found as functions of the frequency. The electromagnetic energy is shown to decrease during this conversion because of the losses for the residual electron energy. (interaction of laser radiation with matter. laser plasma)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2001v031n09ABEH002049