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.; Haan, S. W.; Hamza, A. V.; Hurricane, O. A.; Jancaitis, K. S.; others, and

doi:10.1063/1.4929912

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

Journal Article · Sat Aug 15 04:00:00 EDT 2015 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4929912· OSTI ID:22490023

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.; Haan, S. W.; Hamza, A. V.; Hurricane, O. A.; Jancaitis, K. S. ^[1] more »

Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)

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.

OSTI ID:: 22490023

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

Country of Publication:: United States

Language:: English

Cited By (16)

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Performance of indirectly driven capsule implosions on the National Ignition Facility using adiabat-shaping Robey, H. F.; Smalyuk, V. A.; Milovich, J. L. Physics of Plasmas, Vol. 23, Issue 5 https://doi.org/10.1063/1.4944821	journal	May 2016
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
Main drive optimization of a high-foot pulse shape in inertial confinement fusion implosions Wang, L. F.; Ye, W. H.; Wu, J. F. Physics of Plasmas, Vol. 23, Issue 12 https://doi.org/10.1063/1.4971237	journal	December 2016
P2 asymmetry of Au's M-band flux and its smoothing effect due to high-Z ablator dopants Li, Yongsheng; Zhai, Chuanlei; Ren, Guoli Matter and Radiation at Extremes, Vol. 2, Issue 2 https://doi.org/10.1016/j.mre.2016.12.001	journal	March 2017
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Resolving hot spot microstructure using x-ray penumbral imaging (invited) Bachmann, B.; Hilsabeck, T.; Field, J. Review of Scientific Instruments, Vol. 87, Issue 11 https://doi.org/10.1063/1.4959161	journal	August 2016
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70 PLASMA PHYSICS AND FUSION TECHNOLOGY
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