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Field distributions and resonance absorption in a laser plasma filament

Published online by Cambridge University Press:  09 March 2009

Gu Min and
Tan Weihan
Gu Min
Affiliation:
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai, P. R. China
Tan Weihan
Affiliation:
Shanghai Institute of Optics and Fine Mechanics, Academia Sinica, Shanghai, P. R. China
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Abstract

In this paper we have theoretically studied the field distributions and resonance absorption in a laser-produced plasma filament. Under the condition of the cold plasma we derive the field equations, as well as their analytical solutions, to the radial and axial components of the electric field. Then, by the numerical calculations, we find that there exists a tunnel effect along the radial direction of the filament, i.e., the electric field reaches a maximum near the radial resonance point r0. Thus, the curves of variance of the radial and axial field components are obtained.

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Type
Research Article
Information
Laser and Particle Beams , Volume 7 , Issue 1 , February 1989, pp. 119 - 130
Copyright
Copyright © Cambridge University Press 1989

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