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X-ray emission from subpicosecond laser-generated homogeneous plasmas

  • J. C. Gauthier
  • , P. Audebert
  • , J. P. Geindre
  • , V. Nagels
  • , F. Dorchies
  • , O. Peyrusse
  • , S. Gary
  • , F. Girard
  • , Ronnie Shepherd
  • , C. Chenais-Popovics
  • CELIA, Université Bordeaux i, UMR 5107 (CNRS, Bordeaux 1, CEA)
  • LULI
  • Centre d'Etudes de Limeil-Valenton
  • Lawrence Livermore National Laboratory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

X-ray spectral emissions from aluminum, selenium and samarium foils irradiated with a 100-TW, 300-fs laser at 0.53-μm wavelength have been resolved temporally. Axial and lateral plasma gradients were limited by using thin foils (300 to 800-Å) deposited on a 50-μm gold pinhole. Emission durations of a few picoseconds have been measured. 1-D hydrodynamic simulations coupled to a statistical non-LTE collisional-radiative model based on superconfigurations has been used to simulate the X-ray emission of aluminum and selenium. The main features of the experimental time-resolved spectra obtained for homogeneous conditions (pinhole targets) are well reproduced.

Original languageEnglish
Title of host publicationInertial Fusion Sciences and Applications 2003
EditorsB.A. Hammel, D.D. Meyerhofer, J. Meyer-ter-Vehn
Pages339-343
Number of pages5
Publication statusPublished - 1 Dec 2004
EventThird International Conference on Inertial Fusion Sciences and Applications, IFSA 2003 - Monterey, CA, United States
Duration: 7 Sept 200312 Sept 2003

Publication series

NameInertial Fusion Sciences and Applications 2003

Conference

ConferenceThird International Conference on Inertial Fusion Sciences and Applications, IFSA 2003
Country/TerritoryUnited States
CityMonterey, CA
Period7/09/0312/09/03

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