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Focusing of Hermite-cosh-Gaussian laser beams in collisionless magnetoplasma

Published online by Cambridge University Press:  17 June 2010

S.D. Patil ,
M.V. Takale ,
S.T. Navare  and
M.B. Dongare
S.D. Patil*
Affiliation:
Division of Nonlinear Optics and Holography Laboratory, Department of Physics, Shivaji University, Kolhapur, India
M.V. Takale
Affiliation:
Division of Nonlinear Optics and Holography Laboratory, Department of Physics, Shivaji University, Kolhapur, India
S.T. Navare
Affiliation:
Division of Nonlinear Optics and Holography Laboratory, Department of Physics, Shivaji University, Kolhapur, India
M.B. Dongare
Affiliation:
Division of Nonlinear Optics and Holography Laboratory, Department of Physics, Shivaji University, Kolhapur, India
*
Address correspondence and reprint requests to: S.D. Patil, Division of Nonlinear Optics and Holography Laboratory, Department of Physics, Shivaji University, Kolhapur 416 004, India. E-mail: sdpatil_phy@rediffmail.com
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Abstract

This paper presents an investigation of the focusing of Hermite-cosh-Gaussian laser beams in magneto-plasma by considering ponderomotive nonlinearity. The dynamics of the combined effects of nonlinearity and spatial diffraction is presented. To highlight the nature of focusing, plot of beam-width parameter vs. dimensionless distance of propagation has been obtained. The effect of mode index and decentered parameter on the self-focusing of the beams has been discussed.

Keywords

Hermite-cosh-Gaussian beamsNonlinear plasma physicsParaxialSelf-focusing
Type
Research Article
Information
Laser and Particle Beams , Volume 28 , Issue 2 , June 2010 , pp. 343 - 349
Copyright
Copyright © Cambridge University Press 2010

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References

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