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Self-focusing of cosh-Gaussian laser beam in a plasma with weakly relativistic and ponderomotive regime
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10.1063/1.3570663
/content/aip/journal/pop/18/3/10.1063/1.3570663
http://aip.metastore.ingenta.com/content/aip/journal/pop/18/3/10.1063/1.3570663
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Variation of normalized beam width parameter with dimensionless distance of propagation when both relativistic and ponderomotive nonlinearities are taken into account for with the following set of parameters for the various values of : , , , , and intensity parameter, .

Image of FIG. 2.
FIG. 2.

Variation of normalized beam width with dimensionless distance of propagation at for the same set of parameters as in the caption of Fig. 1.

Image of FIG. 3.
FIG. 3.

Variation of normalized beam width with dimensionless distance of propagation at for the same set of parameters as in the caption of Fig. 1.

Image of FIG. 4.
FIG. 4.

Variation of normalized beam width with dimensionless distance of propagation at , at varying values of intensity parameter for the same set of parameters as in the caption of Fig. 1. Solid curve corresponds to , dashed to , dotted to , and dot-dashed to .

Image of FIG. 5.
FIG. 5.

Plot of longitudinal phase vs dimensionless distance of propagation at for the same set of parameters as mentioned in the caption of Fig. 1. Solid curve corresponds to , dashed to , and dotted to .

Image of FIG. 6.
FIG. 6.

Plot of regularized phase vs dimensionless distance of propagation at for the same set of parameters as mentioned in the caption of Fig. 1. Solid curve corresponds to , dashed to , and dotted to .

Image of FIG. 7.
FIG. 7.

Variation of the dimensionless initial beam width as a function of with and . Solid curve A corresponds to and dashed curve B to .

Image of FIG. 8.
FIG. 8.

Variation of normalized beam width with dimensionless distance of propagation for the same set of parameters as in the caption of Fig. 1. Solid curve corresponds to Gaussian beam with , . Dashed curve corresponds to cosh-Gaussian beam with , .

Image of FIG. 9.
FIG. 9.

Variation of normalized beam width with dimensionless distance of propagation for the same set of parameters as in the caption of Fig. 1. Solid curve corresponds to Gaussian beam with , . Dashed curve corresponds to cosh-Gaussian beam with , .

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/content/aip/journal/pop/18/3/10.1063/1.3570663
2011-03-24
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Self-focusing of cosh-Gaussian laser beam in a plasma with weakly relativistic and ponderomotive regime
http://aip.metastore.ingenta.com/content/aip/journal/pop/18/3/10.1063/1.3570663
10.1063/1.3570663
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