Self‐trapped laser beams in plasma

A moment theory for the nonlinear quasi‐optical equation with saturation is applied to self‐trapped laser beams in plasma for the ponderomotive nonlinearity. The results differ quantitatively from those obtained form the paraxial ray theory but do agree qualitatively in that there is a minimum beam...

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Bibliographic Details
Published in:The Physics of fluids (1958) 1977-07, Vol.20 (7), p.1176-1179
Main Authors: Lam, Juan Francisco, Lippmann, Bernard, Tappert, Frederick
Format: Article
Language:English
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Summary:A moment theory for the nonlinear quasi‐optical equation with saturation is applied to self‐trapped laser beams in plasma for the ponderomotive nonlinearity. The results differ quantitatively from those obtained form the paraxial ray theory but do agree qualitatively in that there is a minimum beam radius of order c/ω p , a threshold ’’critical’’ power, no upper limit to the power that can be transmitted, and the self‐trapped beams are stable.
ISSN:0031-9171
2163-4998
DOI:10.1063/1.861679