Time- and space-resolved K- and L-shell absorption spectroscopy in an expanding laser-produced plasma

Denis E. Desenne; Jean Michel Bruneau; S. Gary; Jean-Pierre Le Breton; Michel Louis-Jacquet; C. Chesnais-Popovics; Jean-Claude J. Gauthier

doi:10.1117/12.167997

1 February 1994 Time- and space-resolved K- and L-shell absorption spectroscopy in an expanding laser-produced plasma

Denis E. Desenne, Jean Michel Bruneau, S. Gary, Jean-Pierre Le Breton, Michel Louis-Jacquet, C. Chesnais-Popovics, Jean-Claude J. Gauthier

Author Affiliations +

Proceedings Volume 2015, Applications of Laser Plasma Radiation; (1994) https://doi.org/10.1117/12.167997
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

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Denis E. Desenne, Jean Michel Bruneau, S. Gary, Jean-Pierre Le Breton, Michel Louis-Jacquet, C. Chesnais-Popovics, and Jean-Claude J. Gauthier "Time- and space-resolved K- and L-shell absorption spectroscopy in an expanding laser-produced plasma", Proc. SPIE 2015, Applications of Laser Plasma Radiation, (1 February 1994); https://doi.org/10.1117/12.167997

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