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Satellite and opacity effects on resonance line shapes produced from short-pulse laser heated foils

  • Ronnie Shepherd
  • , P. Audebert
  • , H. K. Chen
  • , K. B. Fournier
  • , O. Peyreusse
  • , S. Moon
  • , R. W. Lee
  • , D. Price
  • , L. Klein
  • , J. C. Gauthier
  • , P. Springer
  • Lawrence Livermore National Laboratory
  • CEA/DIF
  • Howard University
  • Centre national de la recherche scientifique

Research output: Contribution to journalArticlepeer-review

Abstract

We measure the He-like, time-resolved emission from two types of thin foils (1) consisting of 250 Å of carbon together with 250 Å of aluminum and (2) 500 Å aluminum, illuminated with a 150 fs laser pulse at an intensity of 1019 W/cm2. Dielectronic satellite contributions to the resonance transitions 1s2-1s2p(1P), 1s2-1s3p(1P), and 1s2-1s4p(1P) are modeled using the configuration-averaged code AVERROÈS and is found to be significant for all three resonance lines. The effects of opacity are inferred from the data and found to be significant only in the 1s2-1s2p(1P).

Original languageEnglish
Pages (from-to)431-440
Number of pages10
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume81
Issue number1-4
DOIs
Publication statusPublished - 1 Jan 2003

Keywords

  • Short pulse laser
  • Short pulse laser produced plasma
  • X-ray spectroscopy

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