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Proceedings Paper

Time- and space-resolved K- and L-shell absorption spectroscopy in an expanding laser-produced plasma
Author(s): Denis E. Desenne; Jean Michel Bruneau; S. Gary; Jean-Pierre Le Breton; Michel Louis-Jacquet; C. Chesnais-Popovics; Jean-Claude J. Gauthier
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Paper Abstract

We present preliminary results of L-shell absorption spectroscopy in an expanding germanium laser-produced plasma. The experiments were performed on the Octal laser at the Centre d'Etudes de Limeil-Valenton. The ion state distribution was inferred from the absorption spectrum. The radiation used to probe the plasma is produced by interaction of an auxiliary laser beam with a 80-micrometers diameter praseodymium wire, allowing a spatial resolution of the absorption spectrum. Temporal resolution is obtained by adjusting the delay between the driving beams and the probe beam. Modeling with a radiative hydrocode and an atomic kinetics code gives qualitative agreement with the experiments.

Paper Details

Date Published: 1 February 1994
PDF: 8 pages
Proc. SPIE 2015, Applications of Laser Plasma Radiation, (1 February 1994); doi: 10.1117/12.167997
Show Author Affiliations
Denis E. Desenne, Commissariat a l'Energie Atomique (France)
Jean Michel Bruneau, Commissariat a l'Energie Atomique (France)
S. Gary, Commissariat a l'Energie Atomique (France)
Jean-Pierre Le Breton, Commissariat a l'Energie Atomique (France)
Michel Louis-Jacquet, Commissariat a l'Energie Atomique (France)
C. Chesnais-Popovics, Ecole Polytechnique (France)
Jean-Claude J. Gauthier, Ecole Polytechnique (France)

Published in SPIE Proceedings Vol. 2015:
Applications of Laser Plasma Radiation
Martin C. Richardson, Editor(s)

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