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Observation of three-half harmonic radiation from plasmas irradiated by a 0·26 μm wavelength laser

Published online by Cambridge University Press:  13 March 2009

C. Labaune ,
E. Fabre  and
G. Bonnaud
C. Labaune
Affiliation:
Laboratoire de Physique des Milieux Ionisés, Groupe de Recherches Cordonnées I.L.M., Ecole Polytechnique, 91128 Palaiseau Cédex, France
E. Fabre
Affiliation:
Laboratoire de Physique des Milieux Ionisés, Groupe de Recherches Cordonnées I.L.M., Ecole Polytechnique, 91128 Palaiseau Cédex, France
G. Bonnaud
Affiliation:
C.E.A. Limeil-Valenton, B.P. 27, 94190 Villeneuve-St Georges, France
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Abstract

Time-integrated measurements have been made of three-half harmonic light energy emitted from 0·26 μm laser-produced plasmas. The main results are the experimental dependence of 3/2ω0 conversion efficiency and threshold on electron density-profile shape. Various density profiles are achieved by irradiating different kinds of target; their shapes are estimated with the help of two-dimensional hydrodynamic simulations.

Type
Research Article
Information
Journal of Plasma Physics , Volume 38 , Issue 3 , December 1987 , pp. 445 - 451
Copyright
Copyright © Cambridge University Press 1987

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