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Assembly of High-Areal-Density Deuterium-Tritium Fuel from Indirectly Driven Cryogenic Implosions

Author(s)
Casey, Daniel Thomas; Gatu Johnson, Maria; Frenje, Johan A.; Petrasso, Richard D.; Zylstra, Alex Bennett; Rinderknecht, Hans George; ... Show more Show less
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Abstract
The National Ignition Facility has been used to compress deuterium-tritium to an average areal density of ~1.0±0.1  g cm[superscript -2], which is 67% of the ignition requirement. These conditions were obtained using 192 laser beams with total energy of 1–1.6 MJ and peak power up to 420 TW to create a hohlraum drive with a shaped power profile, peaking at a soft x-ray radiation temperature of 275–300 eV. This pulse delivered a series of shocks that compressed a capsule containing cryogenic deuterium-tritium to a radius of 25–35  μm. Neutron images of the implosion were used to estimate a fuel density of 500–800  g cm[superscript -3].
Date issued
2012-05
URI
http://hdl.handle.net/1721.1/71695
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Plasma Science and Fusion Center
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Mackinnon, A. et al. “Assembly of High-Areal-Density Deuterium-Tritium Fuel from Indirectly Driven Cryogenic Implosions.” Physical Review Letters 108.21 (2012). © 2012 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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