Effects of fuel-capsule shimming and drive asymmetry on inertial-confinement-fusion symmetry and yield
Author(s)
Marshall, F. J.; Smalyuk, V.; Glebov, V. Yu.; Knauer, J. P.; Sangster, T. C.; Kilkenny, J. D.; Nikroo, A.; Seguin, Fredrick Hampton; Li, C. K.; DeCiantis, Joseph Loreto; Frenje, Johan A; Rygg, James Ryan; Petrasso, Richard D; ... Show more Show less![Thumbnail](/bitstream/handle/1721.1/111210/Effects%20of%20fuel.pdf.jpg?sequence=4&isAllowed=y)
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Show full item recordAbstract
Three orthogonal proton emission imaging cameras were used to study the 3D effects of low-mode drive asymmetries and target asymmetries on nuclear burn symmetry and yield in direct-drive, inertial-confinement-fusion experiments. The fusion yield decreased quickly as the burn region became asymmetric due to either drive or capsule asymmetry. Measurements and analytic scaling are used to predict how intentionally asymmetric capsule shells could improve performance by compensating for drive asymmetry when it cannot be avoided (such as with indirect drive or with polar direct drive).
Date issued
2016-03Department
Massachusetts Institute of Technology. Plasma Science and Fusion CenterJournal
Physics of Plasmas
Publisher
American Institute of Physics (AIP)
Citation
Séguin, F. H. et al. “Effects of Fuel-Capsule Shimming and Drive Asymmetry on Inertial-Confinement-Fusion Symmetry and Yield.” Physics of Plasmas 23, 3 (March 2016): 032705 © 2016 AIP Publishing
Version: Author's final manuscript
ISSN
1070-664X
1089-7674