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Investigation of Laser Produced Plasma Using Space Resolved Soft X-Ray Al Spectrum and Multi-Layer Target Technique

Published online by Cambridge University Press:  25 September 2017

H. Zmora
Affiliation:
Soreq Nuclear Research Centre, Yavne, Israel
A. Zigler
Affiliation:
Soreq Nuclear Research Centre, Yavne, Israel
J. L. Schwob
Affiliation:
Racah Institute of Physics, Hebrew University, Jerusalem, Israel

Extract

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H and He-like Al Lines and their inner-shell satellites were obtained from Al and Polyethylene layered targets irradiated by a Nd-glass laser at a power flux of 2.1013 W/cm2 . Spatial resolution was achieved using a flat crystal spectrograph incorporating a wire shadow technique. Spatial profiles of Te and ne in the expanding plasma were deduced from line intensity ratios.

By varying the Al layer location in the target, the non-thermal origin of Al Kα radiation is investigated and the penetration depth of the heat wave front is determined. Comparison is made with classical transport mechanisms.

Type
Research Article
Copyright
Copyright © Crown Research Institutes 1977