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Erschienen in: Optical and Quantum Electronics 4/2019

01.04.2019

Evolution of the beam-width parameter of zeroth-order Bessel–Gaussian beams in collisional plasma with density ripple

verfasst von: L. Ouahid, L. Dalil-Essakali, A. Belafhal

Erschienen in: Optical and Quantum Electronics | Ausgabe 4/2019

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Abstract

In the present paper, we have investigated the self-focusing of zeroth-order Bessel–Gaussian beams in collisional plasma with density ripple. Based on Wentzel–Kramers–Brillouin and the paraxial ray approximations, the nonlinear differential equation governing the evolution of beam-width parameter is evaluated. The variation of beam-width parameter with propagation distance is examined for different values of ripple wave number and beam parameters. From our study, it is seen that stronger self-focusing is obtained when the density ripple is important. The results corresponding to Gaussian beams are deduced from this work as a particular case.

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Metadaten
Titel
Evolution of the beam-width parameter of zeroth-order Bessel–Gaussian beams in collisional plasma with density ripple
verfasst von
L. Ouahid
L. Dalil-Essakali
A. Belafhal
Publikationsdatum
01.04.2019
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 4/2019
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-019-1818-8

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