First results of radiation-driven, layered deuterium-tritium implosions with a 3-shock adiabat-shaped drive at the National Ignition Facility

Smalyuk, V. A.; Robey, H. F.; Döppner, T.; Jones, O. S.; Milovich, J. L.; Bachmann, B.; Baker, K. L.; Berzak Hopkins, L. F.; Bond, E.; Callahan, D. A.; Casey, D. T.; Celliers, P. M.; Cerjan, C.; Clark, D. S.; Dixit, S. N.; Edwards, M. J.; Giraldez, E.; Haan, S. W.; Hamza, A. V.; Hohenberger, M.; Hoover, D.; Hurricane, O. A.; Jancaitis, K. S.; Kroll, J. J.; Lafortune, K. N.; Landen, O. L.; MacGowan, B. J.; MacPhee, A. G.; Nikroo, A.; Pak, A.; Patel, P. K.; Peterson, J. L.; Weber, C. R.; Widmayer, C. C.; Yeamans, C.

doi:10.1063/1.4929912

Title: First results of radiation-driven, layered deuterium-tritium implosions with a 3-shock adiabat-shaped drive at the National Ignition Facility

Journal Article · Thu Aug 27 00:00:00 EDT 2015 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4929912· OSTI ID:1234604

Smalyuk, V. A. ^[1]; Robey, H. F. ^[1]; Döppner, T. ^[1]; Jones, O. S. ^[1]; Milovich, J. L. ^[1]; Bachmann, B. ^[1]; Baker, K. L. ^[1];

^[1]; Bond, E. ^[1];

^[1]; Casey, D. T. ^[1]; Celliers, P. M. ^[1];

^[1];

^[1]; Dixit, S. N. ^[1]; Edwards, M. J. ^[1]; Giraldez, E. ^[2];

^[1]; Hamza, A. V. ^[1];

^[3] more »

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
General Atomics, San Diego, CA (United States)
Univ. of Rochester, NY (United States). Lab. for Laser Energetics

Radiation-driven, layered deuterium-tritium plastic capsule implosions were carried out using a new, 3-shock “adiabat-shaped” drive on the National Ignition Facility. The purpose of adiabat shaping is to use a stronger first shock, reducing hydrodynamic instability growth in the ablator. The shock can decay before reaching the deuterium-tritium fuel leaving it on a low adiabat and allowing higher fuel compression. The fuel areal density was improved by ~25% with this new drive compared to similar “high-foot” implosions, while neutron yield was improved by more than 4 times, compared to “low-foot” implosions driven at the same compression and implosion velocity.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1234604

Report Number(s):: LLNL-JRNL-672637

Journal Information:: Physics of Plasmas, Vol. 22, Issue 8; ISSN 1070-664X

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

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 30 works

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Experimental results of radiation-driven, layered deuterium-tritium implosions with adiabat-shaped drives at the National Ignition Facility Smalyuk, V. A.; Robey, H. F.; Döppner, T. Physics of Plasmas, Vol. 23, Issue 10 https://doi.org/10.1063/1.4964919	journal	October 2016
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