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Suppression of stochastic pulsation in laser–plasma interaction by smoothing methods*

Published online by Cambridge University Press:  09 March 2009

M. Aydin  and
H. Hora
M. Aydin
Affiliation:
Department of Theoretical Physics, University of New South Wales, Kensington 2033, Australia
H. Hora
Affiliation:
CERN, CH1211 Geneva 23, Switzerland
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Abstract

Smoothing of laser-plasma interaction by ISI, RPP, SSD, etc. was mainly directed to overcome lateral nonuniformity of irradiation. While these problems are in no way less important, we derived numerically the model of the Laue rippling and hydrorelaxation model for explanation of the measured temporal pulsation in the 10- to 40-ps range and how the smoothing schemes suppress these pulsations. The partial standing wave fields of the normally coherent laser-irradiated plasma corona is then suppressed by smoothing and conclusion for tests for this model, e.g., by the “question mark experiment” is given. The result provides a physics solution of the laser interaction problem for direct-drive inertial fusion energy

Type
Research Article
Information
Laser and Particle Beams , Volume 11 , Issue 1 , March 1993 , pp. 177 - 184
Copyright
Copyright © Cambridge University Press 1993

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