Comparison Of Photon Kinetic And Slowly Varying Envelope Approximations

The results of photon kinetic simulations of the propagation of a short laser pulse in plasma are compared with simulation results for the same pulse from a slowly varying envelope code. The envelope method retains more information about the phase of the electromagnetic field, which makes it more co...

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Bibliographic Details
Published in:AIP conference proceedings 2004-01, Vol.737 (1), p.771-776
Main Authors: Reitsma, A J W, Jaroszynski, D A
Format: Article
Language:English
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COMPARATIVE EVALUATIONS
ELECTROMAGNETIC FIELDS
LASER-RADIATION HEATING
LASERS
PHOTONS
PLASMA
PULSES
SIMULATION
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Summary:The results of photon kinetic simulations of the propagation of a short laser pulse in plasma are compared with simulation results for the same pulse from a slowly varying envelope code. The envelope method retains more information about the phase of the electromagnetic field, which makes it more complete than the photon kinetic approach. However, the envelope code requires a much smaller grid size and time step for accurate simulation of pump depletion.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.1842621