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Wakefield effects on the evolution of symmetric laser pulses in a plasma channel

Published online by Cambridge University Press:  23 March 2010

Pallavi Jha ,
Amita Malviya  and
Ajay K. Upadhyay
Pallavi Jha*
Affiliation:
Department of Physics, University of Lucknow, Lucknow, India
Amita Malviya
Affiliation:
Department of Physics, University of Lucknow, Lucknow, India
Ajay K. Upadhyay
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: [email protected]
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Abstract

The present study deals with the propagation of short laser pulses in a parabolic plasma channel. A variational technique is used to obtain simultaneous evolution equations describing the laser pulse length and spot size in the presence of relativistic and ponderomotive nonlinearities. The effect of wakefields (inside the pulse) on the propagation characteristics of the laser beam is studied. Numerical methods are used to graphically analyze the evolution of the laser pulse length and intensity.

Keywords

Nonlinearity and wakefield effectsPlasma channelRelativistic and PonderomotiveVariational technique
Type
Research Article
Information
Laser and Particle Beams , Volume 28 , Issue 2 , June 2010 , pp. 245 - 251
Copyright
Copyright © Cambridge University Press 2010

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