Research Papers in Physics and Astronomy

 

Date of this Version

8-1-2001

Comments

Published in Physics of Plasmas 8:8 (Aug 2001), pp. 3531-3534.
© 2001 American Institute of Physics. Used by permission. DOI: 10.1063/1.1382820
Physics of Plasmas is published monthly by the American Institute of Physics with the cooperation of The American Physical Society, Division of Plasma Physics; http://pop.aip.org/

Abstract

A novel method for the control of stimulated Raman scattering and hot electron production in short-pulse laser-plasma interactions is proposed. It relies on the use of a linear frequency chirp in nonbandwidth limited pulses. Theoretical calculations show that a 12% bandwidth will eliminate Raman forward scattering for a plasma density that is 1% of the critical density. The predicted changes to the growth rate are confirmed in two-dimensional particle-in-cell simulations. Relevance to areas of current research is also discussed.

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