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Proceedings Paper

New direct-drive radiation preheated high-gain target designs for laser fusion
Author(s): Denis G. Colombant; J. H. Gardner; Andrew J. Schmitt; Stephen E. Bodner; M. Klapisch; Stephen P. Obenschain; L. Phillips
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Paper Abstract

A new target design has been proposed which displays a high gain at 1.3 MJ laser energy and improved Rayleigh-Taylor stability with a KrF laser system. The laser contrast ratio in this case is around 250 and the laser pulse lengths is around 28 ns. For a system like NIF, where the contrast ratio is limited to about 100, where no zooming is planned, where the laser pulse length is limited to less than 20 ns and 1/3 micrometers is the laser light wavelength, we have looked at targets using radiation preheat. We have designed targets for this application and investigated more fully the trade- off between gain and stability.

Paper Details

Date Published: 23 April 2001
PDF: 4 pages
Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); doi: 10.1117/12.425599
Show Author Affiliations
Denis G. Colombant, Naval Research Lab. (United States)
J. H. Gardner, Naval Research Lab. (United States)
Andrew J. Schmitt, Naval Research Lab. (United States)
Stephen E. Bodner, Naval Research Lab. (United States)
M. Klapisch, ARTEP Inc. (United States)
Stephen P. Obenschain, Naval Research Lab. (United States)
L. Phillips, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 4424:
ECLIM 2000: 26th European Conference on Laser Interaction with Matter
Milan Kalal; Karel Rohlena; Milan Sinor, Editor(s)

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