Reaching a burning plasma and ignition using smaller capsules/<i>Hohlraums</i>, higher radiation temperatures, and thicker ablator/ice on the national ignition facility-Reference-Cited by-同舟云学术

Reaching a burning plasma and ignition using smaller capsules/Hohlraums, higher radiation temperatures, and thicker ablator/ice on the national ignition facility

Published:2023-03-01 Issue:3 Volume:30 Page:
ISSN:1070-664X
Container-title:Physics of Plasmas
language:en
Short-container-title:

Author:

Baker K. L.¹^ORCID,Thomas C. A.²,Landen O. L.¹^ORCID,Haan S.¹^ORCID,Lindl J. D.¹^ORCID,Casey D. T.¹^ORCID,Young C.¹^ORCID,Nora R.¹^ORCID,Hurricane O. A.¹^ORCID,Callahan D. A.¹^ORCID,Jones O.¹^ORCID,Berzak Hopkins L.¹^ORCID,Khan S.¹^ORCID,Spears B. K.¹,Le Pape S.¹,Meezan N. B.¹^ORCID,Ho D. D.¹,Döppner T.¹^ORCID,Hinkel D.¹^ORCID,Dewald E. L.¹^ORCID,Tommasini R.¹^ORCID,Hohenberger M.¹^ORCID,Weber C.¹^ORCID,Clark D.¹^ORCID,Woods D. T.¹^ORCID,Milovich J. L.¹,Strozzi D.¹^ORCID,Kritcher A.¹,Robey H. F.³^ORCID,Ross J. S.¹^ORCID,Smalyuk V. A.¹^ORCID,Amendt P. A.¹^ORCID,Bachmann B.¹^ORCID,Benedetti L. R.¹^ORCID,Bionta R.¹^ORCID,Celliers P. M.¹^ORCID,Fittinghoff D.¹^ORCID,Goyon C.¹^ORCID,Hatarik R.¹,Izumi N.¹^ORCID,Gatu Johnson M.⁴^ORCID,Kyrala G.³^ORCID,Ma T.¹^ORCID,Meaney K.³^ORCID,Millot M.¹^ORCID,Nagel S. R.¹^ORCID,Patel P. K.¹^ORCID,Turnbull D.²^ORCID,Volegov P. L.³^ORCID,Yeamans C.¹^ORCID,Wilde C.³

Affiliation:

1. Lawrence Livermore National Laboratory 1 , Livermore, California 94550, USA

2. Laboratory for Laser Energetics, University of Rochester 2 , Rochester, New York 14623, USA

3. Los Alamos National Laboratory 3 , Los Alamos, New Mexico 87544, USA

4. Massachusetts Institute of Technology 4 , Cambridge, Massachusetts 02139, USA

Abstract

In indirect-drive implosions, the final core hot spot energy and pressure and, hence, neutron yield attainable in 1D increase with increasing laser peak power and, hence, radiation drive temperature at the fixed capsule and Hohlraum size. We present simple analytic scalings validated by 1D simulations that quantify the improvement in performance and use this to explain existing data and simulation trends. Extrapolating to the 500 TW National Ignition Facility peak power limit in a low gas-fill 5.4 mm diameter Hohlraum based on existing high adiabat implosion data at 400 TW, 1.3 MJ and 1 × 1016 yield, we find that a 2–3 × 1017 yield (0.5–0.7 MJ) is plausible using only 1.8 MJ of laser energy. Based on existing data varying deuterium–tritium (DT) fuel thickness and dopant areal density, further improvements should be possible by increasing DT fuel areal density, and hence confinement time and yield amplification.

Funder

U.S. Department of Energy

Publisher

AIP Publishing

Subject

Condensed Matter Physics

Link

https://aip.scitation.org/doi/am-pdf/10.1063/5.0131180

Reference71 articles.

1. Development of the indirect‐drive approach to inertial confinement fusion and the target physics basis for ignition and gain

2. High-Performance Indirect-Drive Cryogenic Implosions at High Adiabat on the National Ignition Facility

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