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APS » Journals » Phys. Rev. Lett. » Volume 89 » Issue 24
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Phys. Rev. Lett. 89, 245002 (2002) [4 pages]

Symmetric Inertial-Confinement-Fusion-Capsule Implosions in a Double-Z-Pinch-Driven Hohlraum

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G. R. Bennett1, M. E. Cuneo2, R. A. Vesey2, J. L. Porter2, R. G. Adams2, R. A. Aragon2, J. A. Caird3, O. L. Landen3, P. K. Rambo2, D. C. Rovang2, L. E. Ruggles2, W. W. Simpson2, I. C. Smith2, and D. F. Wenger2
1Ktech Corporation, 2201 Buena Vista SE, Suite 400, Albuquerque, New Mexico 87106-4265
2Sandia National Laboratories, P.O. Box 5800, Albuquerque, New Mexico 87185-1193
3Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551

Received 3 June 2002; published 26 November 2002

An inertial-confinement-fusion (ICF) concept using two 60-MA Z pinches to drive a cylindrical hohlraum to 220 eV has been recently proposed. The first capsule implosions relevant to this concept have been performed at the same physical scale with a lower 20-MA current, yielding a 70±5  eV capsule drive. The capsule shell shape implies a polar radiation symmetry, the first high-accuracy measurement of this type in a pulsed-power-driven ICF configuration, within a factor of 1.6–4 of that required for scaling to ignition. The convergence ratio of 14–21 is to date the highest in any pulsed-power ICF system.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.245002
DOI:
10.1103/PhysRevLett.89.245002
PACS:
52.59.Qy, 52.57.Fg, 52.58.Lq
 
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