Effects of fuel-capsule shimming and drive asymmetry on inertial-confinement-fusion symmetry and yield

Seguin, F. H.; Li, C. K.; DeCiantis, J. L.; Frenje, J. A.; Rygg, J. R.; Petrasso, R. D.; Marshall, F. J.; Smalyuk, V.; Glebov, V. Yu.; Knauer, J. P.; Sangster, T. C.; Kilkenny, J. D.; Nikroo, A.

doi:10.1063/1.4943883

Title: Effects of fuel-capsule shimming and drive asymmetry on inertial-confinement-fusion symmetry and yield

Journal Article · Tue Mar 22 00:00:00 EDT 2016 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4943883· OSTI ID:1260829

Seguin, F. H. ^[1]; Li, C. K. ^[1]; DeCiantis, J. L. ^[2];

^[1]; Rygg, J. R. ^[3];

^[1]; Marshall, F. J. ^[4]; Smalyuk, V. ^[5]; Glebov, V. Yu. ^[4]; Knauer, J. P. ^[4];

^[4]; Kilkenny, J. D. ^[6]; Nikroo, A. ^[7]

Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); AREVA, Inc., Lynchburg, VA (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Univ. of Rochester, Rochester, NY (United States)
Univ. of Rochester, Rochester, NY (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
General Atomics, San Diego, CA (United States)
General Atomics, San Diego, CA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

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. Furthermore, 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).

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Research Organization:: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0002726; FG03-03SF22691; NA0002949; NA0001857; AC52-07NA27344

OSTI ID:: 1260829

Alternate ID(s):: OSTI ID: 1242869; OSTI ID: 1260834; OSTI ID: 1260838; OSTI ID: 1289386

Report Number(s):: LLNL-JRNL-697139; PHPAEN

Journal Information:: Physics of Plasmas, Vol. 23, Issue 3; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 15 works

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References (21)

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Cited By (3)

Impact of imposed mode 2 laser drive asymmetry on inertial confinement fusion implosions Gatu Johnson, M.; Appelbe, B. D.; Chittenden, J. P. Physics of Plasmas, Vol. 26, Issue 1 https://doi.org/10.1063/1.5066435	journal	January 2019
A theoretical model for low-mode asymmetries in ICF implosions Zhang, Cunbo; Yu, Chengxin; Yang, Chen Physics of Plasmas, Vol. 26, Issue 2 https://doi.org/10.1063/1.5082586	journal	February 2019
Nuclear diagnostics for Inertial Confinement Fusion (ICF) plasmas Frenje, J. A. Plasma Physics and Controlled Fusion, Vol. 62, Issue 2 https://doi.org/10.1088/1361-6587/ab5137	journal	January 2020

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