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Radial inhomogeneity diagnostics deduced from space-resolved X-ray emission

Published online by Cambridge University Press:  09 March 2009

H. Derfoul ,
E. Leboucher-Dalimier ,
I. Gharbi  and
A. Poquerusse
H. Derfoul
Affiliation:
Physiques Atomique dans les Plasmas Denses, Laboratoire pour l'Utilisation des Lasers Intenses, Universite Paris VI/Ecole Polytechnique, 4 Place Jussieu, 75252 Paris Cedex 05, France
E. Leboucher-Dalimier
Affiliation:
Physiques Atomique dans les Plasmas Denses, Laboratoire pour l'Utilisation des Lasers Intenses, Universite Paris VI/Ecole Polytechnique, 4 Place Jussieu, 75252 Paris Cedex 05, France
I. Gharbi
Affiliation:
Physiques Atomique dans les Plasmas Denses, Laboratoire pour l'Utilisation des Lasers Intenses, Universite Paris VI/Ecole Polytechnique, 4 Place Jussieu, 75252 Paris Cedex 05, France
A. Poquerusse
Affiliation:
Physiques Atomique dans les Plasmas Denses, Laboratoire pour l'Utilisation des Lasers Intenses, Universite Paris VI/Ecole Polytechnique, 4 Place Jussieu, 75252 Paris Cedex 05, France
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Abstract

Radial inhomogeneity diagnostics in hot and dense laser plasmas are presented. By means of an analysis of the spatially resolved X-ray transverse emission of the plasma and of a theoretical modeling, we can access directly to the radial emission coefficient and to the transverse gradients. The intense aluminum Lyβ line has been chosen for this study, and different structured targets have been used to control the radiative transfer in the transverse direction. These targets (large or narrow emissive strips) give complementary results for the emission in the core (i.e., near the laser-target axis) or in the border of the plasma.

Type
Research Article
Information
Laser and Particle Beams , Volume 12 , Issue 3 , September 1994 , pp. 485 - 493
Copyright
Copyright © Cambridge University Press 1994

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References

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