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Effect of chirping on the intensity profile and growth rate of modulation instability of a laser pulse propagating in plasma

Published online by Cambridge University Press:  02 June 2011

Rohit K. Mishra  and
Pallavi Jha
Rohit K. Mishra
Affiliation:
Department of Physics, University of Lucknow, Lucknow, India
Pallavi Jha*
Affiliation:
Department of Physics, University of Lucknow, Lucknow, India
*
Address correspondence and reprint requests to: Pallavi Jha, Department of Physics, University of Lucknow, Lucknow 226007, India. E-mail: prof.pjha@gmail.com
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Abstract

This paper deals with the analytical study of the effect of chirping of a laser pulse on its intensity profile, as it propagates in plasma. Considering a matched laser beam, graphical analysis of the intensity distribution across the chirped laser pulse and growth of modulation instability has been presented. Further, considering finite pulse effects to be a perturbation, the growth rate of modulation instability of the chirped laser pulse is evaluated and compared with that obtained due to an unchirped pulse.

Keywords

Chirped laser pulsesModulation instabilityPulse distortion in plasma

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 29 , Issue 2 , June 2011 , pp. 259 - 263
Copyright
Copyright © Cambridge University Press 2011

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