Experimental Demonstration of X-Ray Drive Enhancement with Rugby-Shaped Hohlraums

Author(s)
Philippe, F.; Casner, A.; Caillaud, T.; Landoas, O.; Monteil, M. C.; ... Show more
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Abstract
Rugby-shaped hohlraums have been suggested as a way to enhance x-ray drive in the indirect drive approach to inertial confinement fusion. This Letter presents an experimental comparison of rugby-shaped and cylinder hohlraums used for D[subscript 2] and D[superscript 3]He-filled capsules implosions on the Omega laser facility, demonstrating an increase of x-ray flux by 18% in rugby-shaped hohlraums. The highest yields to date for deuterium gas implosions in indirect drive on Omega (1.5×10[superscript 10] neutrons) were obtained, allowing for the first time the measurement of a DD burn history. Proton spectra measurements provide additional validation of the higher drive in rugby-shaped hohlraums.
Date issued
2010-01
URI
http://hdl.handle.net/1721.1/55989
Department
Massachusetts Institute of Technology. Plasma Science and Fusion Center
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Philippe, F. et al. “Experimental Demonstration of X-Ray Drive Enhancement with Rugby-Shaped Hohlraums.” Physical Review Letters 104.3 (2010): 035004. © 2010 The American Physical Society
Version: Final published version
ISSN
0031-9007
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