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Title: Laser-driven magnetized liner inertial fusion on OMEGA

Abstract

Magneto-inertial fusion (MIF) combines the compression of fusion fuel, a hallmark of inertial confinement fusion (ICF), with strongly magnetized plasmas that suppress electron heat losses, a hallmark of magnetic fusion. It can reduce the traditional velocity, pressure, and convergence ratio requirements of ICF. The magnetized liner inertial fusion (MagLIF) concept being studied at the Z Pulsed-Power Facility is a key target concept in the U.S. ICF Program. Laser-driven MagLIF is being developed on OMEGA to test the scaling of MagLIF over a range of absorbed energy of the order of 1 kJ on OMEGA to 500 kJ on Z. It is also valuable as a platform for studying the key physics of MIF. An energy-scaled point design has been developed for OMEGA that is roughly 10 × smaller in linear dimensions than Z MagLIF targets. A 0.6-mm-outer-diameter plastic cylinder filled with 2.4 mg/cm3 of D2 is placed in a ∼10-T axial magnetic field, generated by a Magneto-inertial fusion electrical discharge system, the cylinder is compressed by 40 OMEGA beams, and the gas fill is preheated by a single OMEGA beam propagating along the axis. Preheating to >100 eV and axially uniform compression over 0.7 mm have been demonstrated, separately, in a series of preparatory experimentsmore » that meet our initial expectations. The preliminary results from the first integrated experiments combining magnetization, compression, and preheat demonstrating a roughly 2 x increase in the neutron yield will be reported here for the first time.« less

Authors:
ORCiD logo; ; ; ; ; ; ; ; ; ; ; ORCiD logo; ; ; ORCiD logo; ORCiD logo
Publication Date:
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1375642
Grant/Contract Number:  
NA0001944; AR0000568
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Name: Physics of Plasmas Journal Volume: 24 Journal Issue: 5; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics
Country of Publication:
United States
Language:
English

Citation Formats

Barnak, D. H., Davies, J. R., Betti, R., Bonino, M. J., Campbell, E. M., Glebov, V. Yu., Harding, D. R., Knauer, J. P., Regan, S. P., Sefkow, A. B., Harvey-Thompson, A. J., Peterson, K. J., Sinars, D. B., Slutz, S. A., Weis, M. R., and Chang, P. -Y. Laser-driven magnetized liner inertial fusion on OMEGA. United States: N. p., 2017. Web. doi:10.1063/1.4982692.
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Barnak, D. H., Davies, J. R., Betti, R., Bonino, M. J., Campbell, E. M., Glebov, V. Yu., Harding, D. R., Knauer, J. P., Regan, S. P., Sefkow, A. B., Harvey-Thompson, A. J., Peterson, K. J., Sinars, D. B., Slutz, S. A., Weis, M. R., & Chang, P. -Y. Laser-driven magnetized liner inertial fusion on OMEGA. United States. https://doi.org/10.1063/1.4982692
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Barnak, D. H., Davies, J. R., Betti, R., Bonino, M. J., Campbell, E. M., Glebov, V. Yu., Harding, D. R., Knauer, J. P., Regan, S. P., Sefkow, A. B., Harvey-Thompson, A. J., Peterson, K. J., Sinars, D. B., Slutz, S. A., Weis, M. R., and Chang, P. -Y. Wed . "Laser-driven magnetized liner inertial fusion on OMEGA". United States. https://doi.org/10.1063/1.4982692.
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@article{osti_1375642,
title = {Laser-driven magnetized liner inertial fusion on OMEGA},
author = {Barnak, D. H. and Davies, J. R. and Betti, R. and Bonino, M. J. and Campbell, E. M. and Glebov, V. Yu. and Harding, D. R. and Knauer, J. P. and Regan, S. P. and Sefkow, A. B. and Harvey-Thompson, A. J. and Peterson, K. J. and Sinars, D. B. and Slutz, S. A. and Weis, M. R. and Chang, P. -Y.},
abstractNote = {Magneto-inertial fusion (MIF) combines the compression of fusion fuel, a hallmark of inertial confinement fusion (ICF), with strongly magnetized plasmas that suppress electron heat losses, a hallmark of magnetic fusion. It can reduce the traditional velocity, pressure, and convergence ratio requirements of ICF. The magnetized liner inertial fusion (MagLIF) concept being studied at the Z Pulsed-Power Facility is a key target concept in the U.S. ICF Program. Laser-driven MagLIF is being developed on OMEGA to test the scaling of MagLIF over a range of absorbed energy of the order of 1 kJ on OMEGA to 500 kJ on Z. It is also valuable as a platform for studying the key physics of MIF. An energy-scaled point design has been developed for OMEGA that is roughly 10 × smaller in linear dimensions than Z MagLIF targets. A 0.6-mm-outer-diameter plastic cylinder filled with 2.4 mg/cm3 of D2 is placed in a ∼10-T axial magnetic field, generated by a Magneto-inertial fusion electrical discharge system, the cylinder is compressed by 40 OMEGA beams, and the gas fill is preheated by a single OMEGA beam propagating along the axis. Preheating to >100 eV and axially uniform compression over 0.7 mm have been demonstrated, separately, in a series of preparatory experiments that meet our initial expectations. The preliminary results from the first integrated experiments combining magnetization, compression, and preheat demonstrating a roughly 2 x increase in the neutron yield will be reported here for the first time.},
doi = {10.1063/1.4982692},
journal = {Physics of Plasmas},
number = 5,
volume = 24,
place = {United States},
year = {Wed May 03 00:00:00 EDT 2017},
month = {Wed May 03 00:00:00 EDT 2017}
}
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Journal Article:
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Accepted Manuscript (Publisher)
Publisher's Version of Record
https://doi.org/10.1063/1.4982692
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Works referenced in this record:

Inertial confinement fusion implosions with imposed magnetic field compression using the OMEGA Laser
journal, May 2012

  • Hohenberger, M.; Chang, P. -Y.; Fiksel, G.
  • Physics of Plasmas, Vol. 19, Issue 5
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Magnetic flux and heat losses by diffusive, advective, and Nernst effects in MagLIF-like plasma
conference, January 2014

  • Velikovich, A. L.; Giuliani, J. L.; Zalesak, S. T.
  • 9TH INTERNATIONAL CONFERENCE ON DENSE Z PINCHES, AIP Conference Proceedings
  • DOI: 10.1063/1.4904777

Compressing magnetic fields with high-energy lasers
journal, May 2010

  • Knauer, J. P.; Gotchev, O. V.; Chang, P. Y.
  • Physics of Plasmas, Vol. 17, Issue 5
  • DOI: 10.1063/1.3416557

Pulsed-power-driven cylindrical liner implosions of laser preheated fuel magnetized with an axial field
journal, May 2010

  • Slutz, S. A.; Herrmann, M. C.; Vesey, R. A.
  • Physics of Plasmas, Vol. 17, Issue 5
  • DOI: 10.1063/1.3333505

Experimental Demonstration of Fusion-Relevant Conditions in Magnetized Liner Inertial Fusion
journal, October 2014

The importance of electrothermal terms in Ohm's law for magnetized spherical implosions
journal, November 2015

  • Davies, J. R.; Betti, R.; Chang, P. -Y.
  • Physics of Plasmas, Vol. 22, Issue 11
  • DOI: 10.1063/1.4935286

Convective Amplification of Magnetic Fields in Laser-Produced Plasmas by the Nernst Effect
journal, July 1984

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