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Dynamics of self-focusing and self-phase modulation of elliptic Gaussian laser beam

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2 Author(s)
N. S. Saini ; Dept. of Phys., Guru Nanak Dev Univ., Amritsar, India ; T. Singh

Summary form only given. The problem of nonlinear self-focusing of elliptic Gaussian laser beams is reformulated in terms of a variational principle. The dynamics of combined effects of nonlinearity and spatial diffraction on self-phase modulation of the laser beam propagating in dispersionless collisionless plasma is presented. It is further shown that the self-trapping increases with the decrease in ellipticity. It is also observed that at fixed wavelength and intensity, the ellipticity shows marked difference in propagation characteristics and self-phase modulation.

Published in:

Plasma Science, 1998. 25th Anniversary. IEEE Conference Record - Abstracts. 1998 IEEE International on

Date of Conference:

1-4 June 1998