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Proceedings Paper

Ultrashort X-Ray Probe Backlighting For Implosion Fusion Experiments
Author(s): C. Yamanaka; N. Miyanaga; K. Imasaki; Y. Kitagawa; Y. Kato; M. Nakatsuka; T. Mochizuki; T. Yamanaka
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Paper Abstract

Two X-ray backlighting techniques have been developed to diagnose the laser-imploded fusion targets. One is the multi-color backlighting for the targets consisting of various materials. The implosion dynamics of a double shell target, which consisted of a parylene outer shell and a glass inner shell, was investigated by using 1.2 keV and 2.6 keV X-ray source and a couple of pinhole cameras. The other is the application of a point X-ray source to the plasma diagnostics. It has many advantages in comparison with the usual back-lighting with a extended source. The new backlighting methods were tested through (1) a simple backlighting without any X-ray optics, (2) the measurement of X-ray refraction due to steep-gradient, high-density plasma, and (3) the spectrally resolved backlighting of planar targets combining with a flat crystal spectrometer.

Paper Details

Date Published: 1 March 1983
PDF: 6 pages
Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); doi: 10.1117/12.967835
Show Author Affiliations
C. Yamanaka, Osaka University (Japan)
N. Miyanaga, Osaka University (Japan)
K. Imasaki, Osaka University (Japan)
Y. Kitagawa, Osaka University (Japan)
Y. Kato, Osaka University (Japan)
M. Nakatsuka, Osaka University (Japan)
T. Mochizuki, Osaka University (Japan)
T. Yamanaka, Osaka University (Japan)

Published in SPIE Proceedings Vol. 0348:
15th Intl Congress on High Speed Photography and Photonics
Lincoln L. Endelman, Editor(s)

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