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Title: Near-vacuum hohlraums for driving fusion implosions with high density carbon ablatorsa)

Abstract

Recent experiments at the National Ignition Facility [M. J. Edwards et al., Phys. Plasmas 20, 070501 (2013)] have explored driving high-density carbon ablators with near-vacuum hohlraums, which use a minimal amount of helium gas fill. These hohlraums show improved efficiency relative to conventional gas-filled hohlraums in terms of minimal backscatter, minimal generation of suprathermal electrons, and increased hohlraum-capsule coupling. Given these advantages, near-vacuum hohlraums are a promising choice for pursuing high neutron yield implosions. Long pulse symmetry control, though, remains a challenge, as the hohlraum volume fills with material. Here, two mitigation methodologies have been explored, dynamic beam phasing and increased case-to-capsule ratio (larger hohlraum size relative to capsule). Unexpectedly, experiments have demonstrated that the inner laser beam propagation is better than predicted by nominal simulations, and an enhanced beam propagation model is required to match measured hot spot symmetry. Ongoing work is focused on developing a physical model which captures this enhanced propagation and on utilizing the enhanced propagation to drive longer laser pulses than originally predicted in order to reach alpha-heating dominated neutron yields.

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1];  [1];  [1]
+ Show Author Affiliations
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1771032
Alternate Identifier(s):
OSTI ID: 1228305
Report Number(s):
LLNL-JRNL-666580
Journal ID: ISSN 1070-664X; 787308; TRN: US2206879
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 22; Journal Issue: 5; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Berzak Hopkins, L. F., Le Pape, S., Divol, L., Meezan, N. B., Mackinnon, A. J., Ho, D. D., Jones, O. S., Khan, S., Milovich, J. L., Ross, J. S., Amendt, P., Casey, D., Celliers, P. M., Pak, A., Peterson, J. L., Ralph, J., and Rygg, J. R. Near-vacuum hohlraums for driving fusion implosions with high density carbon ablatorsa). United States: N. p., 2015. Web. doi:10.1063/1.4921151.
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Berzak Hopkins, L. F., Le Pape, S., Divol, L., Meezan, N. B., Mackinnon, A. J., Ho, D. D., Jones, O. S., Khan, S., Milovich, J. L., Ross, J. S., Amendt, P., Casey, D., Celliers, P. M., Pak, A., Peterson, J. L., Ralph, J., & Rygg, J. R. Near-vacuum hohlraums for driving fusion implosions with high density carbon ablatorsa). United States. https://doi.org/10.1063/1.4921151
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Berzak Hopkins, L. F., Le Pape, S., Divol, L., Meezan, N. B., Mackinnon, A. J., Ho, D. D., Jones, O. S., Khan, S., Milovich, J. L., Ross, J. S., Amendt, P., Casey, D., Celliers, P. M., Pak, A., Peterson, J. L., Ralph, J., and Rygg, J. R. Wed . "Near-vacuum hohlraums for driving fusion implosions with high density carbon ablatorsa)". United States. https://doi.org/10.1063/1.4921151. https://www.osti.gov/servlets/purl/1771032.
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@article{osti_1771032,
title = {Near-vacuum hohlraums for driving fusion implosions with high density carbon ablatorsa)},
author = {Berzak Hopkins, L. F. and Le Pape, S. and Divol, L. and Meezan, N. B. and Mackinnon, A. J. and Ho, D. D. and Jones, O. S. and Khan, S. and Milovich, J. L. and Ross, J. S. and Amendt, P. and Casey, D. and Celliers, P. M. and Pak, A. and Peterson, J. L. and Ralph, J. and Rygg, J. R.},
abstractNote = {Recent experiments at the National Ignition Facility [M. J. Edwards et al., Phys. Plasmas 20, 070501 (2013)] have explored driving high-density carbon ablators with near-vacuum hohlraums, which use a minimal amount of helium gas fill. These hohlraums show improved efficiency relative to conventional gas-filled hohlraums in terms of minimal backscatter, minimal generation of suprathermal electrons, and increased hohlraum-capsule coupling. Given these advantages, near-vacuum hohlraums are a promising choice for pursuing high neutron yield implosions. Long pulse symmetry control, though, remains a challenge, as the hohlraum volume fills with material. Here, two mitigation methodologies have been explored, dynamic beam phasing and increased case-to-capsule ratio (larger hohlraum size relative to capsule). Unexpectedly, experiments have demonstrated that the inner laser beam propagation is better than predicted by nominal simulations, and an enhanced beam propagation model is required to match measured hot spot symmetry. Ongoing work is focused on developing a physical model which captures this enhanced propagation and on utilizing the enhanced propagation to drive longer laser pulses than originally predicted in order to reach alpha-heating dominated neutron yields.},
doi = {10.1063/1.4921151},
journal = {Physics of Plasmas},
number = 5,
volume = 22,
place = {United States},
year = {Wed May 20 00:00:00 EDT 2015},
month = {Wed May 20 00:00:00 EDT 2015}
}
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https://doi.org/10.1063/1.4921151
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Works referenced in this record:

Progress towards ignition on the National Ignition Facility
journal, July 2013

  • Edwards, M. J.; Patel, P. K.; Lindl, J. D.
  • Physics of Plasmas, Vol. 20, Issue 7
  • DOI: 10.1063/1.4816115

First High-Convergence Cryogenic Implosion in a Near-Vacuum Hohlraum
journal, April 2015

Fuel gain exceeding unity in an inertially confined fusion implosion
journal, February 2014

  • Hurricane, O. A.; Callahan, D. A.; Casey, D. T.
  • Nature, Vol. 506, Issue 7488
  • DOI: 10.1038/nature13008

Ignition condition and gain prediction for perturbed inertial confinement fusion targets
journal, November 2001

  • Kishony, Roy; Shvarts, Dov
  • Physics of Plasmas, Vol. 8, Issue 11
  • DOI: 10.1063/1.1412009

High-density carbon ablator experiments on the National Ignition Facility
journal, May 2014

  • MacKinnon, A. J.; Meezan, N. B.; Ross, J. S.
  • Physics of Plasmas, Vol. 21, Issue 5
  • DOI: 10.1063/1.4876611

Symmetry tuning via controlled crossed-beam energy transfer on the National Ignition Facility
journal, May 2010

  • Michel, P.; Glenzer, S. H.; Divol, L.
  • Physics of Plasmas, Vol. 17, Issue 5
  • DOI: 10.1063/1.3325733

Demonstration of time-dependent symmetry control in hohlraums by drive-beam staggering
journal, January 2000

  • Turner, R. E.; Amendt, P.; Landen, O. L.
  • Physics of Plasmas, Vol. 7, Issue 1
  • DOI: 10.1063/1.873801

The National Ignition Facility: enabling fusion ignition for the 21st century
journal, November 2004

Point design targets, specifications, and requirements for the 2010 ignition campaign on the National Ignition Facility
journal, May 2011

  • Haan, S. W.; Lindl, J. D.; Callahan, D. A.
  • Physics of Plasmas, Vol. 18, Issue 5
  • DOI: 10.1063/1.3592169

Metrics for long wavelength asymmetries in inertial confinement fusion implosions on the National Ignition Facility
journal, April 2014

  • Kritcher, A. L.; Town, R.; Bradley, D.
  • Physics of Plasmas, Vol. 21, Issue 4
  • DOI: 10.1063/1.4871718

Tuning the Implosion Symmetry of ICF Targets via Controlled Crossed-Beam Energy Transfer
journal, January 2009

2D X-Ray Radiography of Imploding Capsules at the National Ignition Facility
journal, May 2014

Interpenetration and ion separation in colliding plasmas
journal, December 1994

  • Rambo, P. W.; Denavit, J.
  • Physics of Plasmas, Vol. 1, Issue 12
  • DOI: 10.1063/1.870875

The role of a detailed configuration accounting (DCA) atomic physics package in explaining the energy balance in ignition-scale hohlraums
journal, September 2011

The National Ignition Facility: Ushering in a new age for high energy density science
journal, April 2009

  • Moses, E. I.; Boyd, R. N.; Remington, B. A.
  • Physics of Plasmas, Vol. 16, Issue 4
  • DOI: 10.1063/1.3116505

Observation of a Reflected Shock in an Indirectly Driven Spherical Implosion at the National Ignition Facility
journal, June 2014

Three‐dimensional simulations of Nova high growth factor capsule implosion experiments
journal, May 1996

  • Marinak, M. M.; Tipton, R. E.; Landen, O. L.
  • Physics of Plasmas, Vol. 3, Issue 5
  • DOI: 10.1063/1.872004

Shock timing experiments on the National Ignition Facility: Initial results and comparison with simulation
journal, April 2012

  • Robey, H. F.; Boehly, T. R.; Celliers, P. M.
  • Physics of Plasmas, Vol. 19, Issue 4
  • DOI: 10.1063/1.3694122

Progress in hohlraum physics for the National Ignition Facility
journal, May 2014

  • Moody, J. D.; Callahan, D. A.; Hinkel, D. E.
  • Physics of Plasmas, Vol. 21, Issue 5
  • DOI: 10.1063/1.4876966

Three-dimensional HYDRA simulations of National Ignition Facility targets
journal, May 2001

  • Marinak, M. M.; Kerbel, G. D.; Gentile, N. A.
  • Physics of Plasmas, Vol. 8, Issue 5
  • DOI: 10.1063/1.1356740

Capsule implosion optimization during the indirect-drive National Ignition Campaign
journal, May 2011

  • Landen, O. L.; Edwards, J.; Haan, S. W.
  • Physics of Plasmas, Vol. 18, Issue 5
  • DOI: 10.1063/1.3592170

A high-resolution integrated model of the National Ignition Campaign cryogenic layered experiments
journal, May 2012

  • Jones, O. S.; Cerjan, C. J.; Marinak, M. M.
  • Physics of Plasmas, Vol. 19, Issue 5
  • DOI: 10.1063/1.4718595

Stopping and thermalization of interpenetrating plasma streams
journal, January 1991

  • Berger, R. L.; Albritton, J. R.; Randall, C. J.
  • Physics of Fluids B: Plasma Physics, Vol. 3, Issue 1
  • DOI: 10.1063/1.859954

Observation of High Soft X-Ray Drive in Large-Scale Hohlraums at the National Ignition Facility
journal, February 2011

Dante soft x-ray power diagnostic for National Ignition Facility
journal, October 2004

  • Dewald, E. L.; Campbell, K. M.; Turner, R. E.
  • Review of Scientific Instruments, Vol. 75, Issue 10
  • DOI: 10.1063/1.1788872

X-ray conversion efficiency in vacuum hohlraum experiments at the National Ignition Facility
journal, May 2012

  • Olson, R. E.; Suter, L. J.; Kline, J. L.
  • Physics of Plasmas, Vol. 19, Issue 5
  • DOI: 10.1063/1.4704795

Stagnation and interpenetration of laser‐created colliding plasmas
journal, April 1992

  • Pollaine, S. M.; Berger, R. L.; Keane, C. J.
  • Physics of Fluids B: Plasma Physics, Vol. 4, Issue 4
  • DOI: 10.1063/1.860457

The physics basis for ignition using indirect-drive targets on the National Ignition Facility
journal, February 2004

  • Lindl, John D.; Amendt, Peter; Berger, Richard L.
  • Physics of Plasmas, Vol. 11, Issue 2
  • DOI: 10.1063/1.1578638

Multistep redirection by cross-beam power transfer of ultrahigh-power lasers in a plasma
journal, February 2012

  • Moody, J. D.; Michel, P.; Divol, L.
  • Nature Physics, Vol. 8, Issue 4
  • DOI: 10.1038/nphys2239

Instability of the interface of two gases accelerated by a shock wave
journal, January 1972

The instability of liquid surfaces when accelerated in a direction perpendicular to their planes. I
journal, March 1950

  • Taylor, Geoffrey Ingram
  • Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, Vol. 201, Issue 1065, p. 192-196
  • DOI: 10.1098/rspa.1950.0052

Analyses of laser-plasma interactions in National Ignition Facility ignition targets
journal, May 2008

  • Hinkel, D. E.; Callahan, D. A.; Langdon, A. B.
  • Physics of Plasmas, Vol. 15, Issue 5
  • DOI: 10.1063/1.2901127

Taylor instability in shock acceleration of compressible fluids
journal, May 1960

  • Richtmyer, Robert D.
  • Communications on Pure and Applied Mathematics, Vol. 13, Issue 2
  • DOI: 10.1002/cpa.3160130207

Investigation of the Character of the Equilibrium of an Incompressible Heavy Fluid of Variable Density
journal, November 1882

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    journal, May 2018

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    journal, October 2016

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    Performance of beryllium targets with full-scale capsules in low-fill 6.72-mm hohlraums on the National Ignition Facility
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    The effects of convergence ratio on the implosion behavior of DT layered inertial confinement fusion capsules
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