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Parametric instabilities due to multiwavelength excitation

Published online by Cambridge University Press:  09 March 2009

Weihan Tan
Affiliation:
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai, China
C. S. Liu
Affiliation:
Laboratory for Plasma and Fusion Energy Studies, University of Maryland, College Park, Maryland 20742
P. N. Guzdar
Affiliation:
Laboratory for Plasma and Fusion Energy Studies, University of Maryland, College Park, Maryland 20742
Y. C. Lee
Affiliation:
Laboratory for Plasma and Fusion Energy Studies, University of Maryland, College Park, Maryland 20742
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Abstract

The effects of finite bandwidth and random-phase pumping on parametric instabilities have been studied extensively (Thomson & Karush 1974; Thomson 1975; Laval et al. 1977). The possibilities arising from the use of this method and a time delay to obtain a spatial incoherence uniform illumination have been proven in experiments (Lehmberg & Obenschain 1983; Mima & Kato 1982; Kato & Mima 1982; Richardson 1981). In this paper we investigate this subject in an alternative way and obtain some results on the influence of the gain profile on parametric instabilities.

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Type
Research Article
Copyright
Copyright © Cambridge University Press 1992

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