期刊
PHYSICS OF PLASMAS
卷 25, 期 10, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.5041285
关键词
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资金
- U.S. DoE by LANL [DE-AC52-06NA52396]
- LLNL [DE-AC52-07NA27344]
- GA [DE-NA0001808]
Beryllium is a candidate ablator material for indirect-drive inertial confinement fusion experiments, motivated by its high mass ablation rate, which is advantageous for implosion coupling efficiency and stabilization of the ablation-front instability growth. We present new data on the shock propagation, in-flight shape, and hot spot self-emission shape from gas-filled capsules that demonstrate the feasibility of predictable, symmetric, controllable beryllium implosions at a case-to-capsule ratio of 3.7. The implosions are round (Legendre mode 2 amplitude less than or similar to 5%) at an inner beam power and the energy fraction of 26%-28% of the total, indicating that larger beryllium capsules could be driven symmetrically using the National Ignition Facility. Published by AIP Publishing.
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