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Proceedings Paper

Multi-kilovolt x-ray conversion efficiencies
Author(s): Christina A. Back; John L. Davis; Jacob Grun; Otto L. Landen; Michael C. Miller; Larry J. Suter
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Paper Abstract

X-ray sources in the 3-7 keV energy regime can be produced by laser-irradiating mid- and high-Z gas-filled targets with high-powered lasers. A series of experiments have been performed using underdense targets that are supersonically heated with approximately 35 kJ of 0.35 micrometers laser light. These targets were cylindrical Be enclosures that were filled with 1-2 atms of Xe or Ar gas. L-shell x-ray emission is emitted from the plasma and detected by Bragg crystal spectrometers and x-ray diodes. Absolute flux measurements show conversion efficiencies of approximately 10 percent in the multi-kilovolt x-ray emission. These sources can be used as bright x-ray backlighters or for material testing.

Paper Details

Date Published: 14 November 2001
PDF: 10 pages
Proc. SPIE 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II, (14 November 2001); doi: 10.1117/12.448458
Show Author Affiliations
Christina A. Back, Lawrence Livermore National Lab. (United States)
John L. Davis, Alme and Associates (United States)
Jacob Grun, Naval Research Lab. (United States)
Otto L. Landen, Lawrence Livermore National Lab. (United States)
Michael C. Miller, Lawrence Livermore National Lab. (United States)
Larry J. Suter, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 4504:
Applications of X Rays Generated from Lasers and Other Bright Sources II
George A. Kyrala; Jean-Claude J. Gauthier, Editor(s)

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