Simulation of laser pulse amplification in a plasma by a counterpropagating wave

Raman amplification of a short laser pulse by a counter-propagating pump in a plasma is simulated with a one-dimensional electromagnetic particle-in-cell code. With a large growth rate due to three wave interaction, the pump pulse is almost totally depleted and the seed pulse is amplified significan...

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Bibliographic Details
Published inIEEE transactions on plasma science Vol. 30; no. 1; pp. 40 - 41
Main Authors Lee, H.J., Mardahl, P.J., Penn, G., Wurtele, J.S.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.02.2002
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Amplification
Computational modeling
Depletion
Electricity
Laser excitation
Laser fusion
Lasers
Magnetism
Object oriented modeling
Optical pulses
Particle in cell technique
Plasma
Plasma simulation
Plasma waves
Pulse amplifiers
Pump lasers
Pumps
Seeds
Simulation
Wave interaction
X-ray lasers
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Summary:Raman amplification of a short laser pulse by a counter-propagating pump in a plasma is simulated with a one-dimensional electromagnetic particle-in-cell code. With a large growth rate due to three wave interaction, the pump pulse is almost totally depleted and the seed pulse is amplified significantly by the transferred energy. A moving window is adopted to enhance simulation efficiency for long interaction length.
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ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2002.1003913