Multi-Kilovolt X-Ray Conversion Efficiencies
Conference
·
OSTI ID:15001981
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 {approx} 35 kJ of 0.35 {micro}m 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 {approx} 10% in the multi-kilovolt x-ray emission. These sources can be used as bright x-ray backlighters or for material testing.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 15001981
- Report Number(s):
- UCRL-JC-145192; TRN: US200406%%393
- Resource Relation:
- Conference: International Symposium on Optical Science and Technology, San Diego, CA (US), 07/29/2001--08/04/2001; Other Information: PBD: 23 Aug 2001
- Country of Publication:
- United States
- Language:
- English
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