Gas-filled hohlraum experiments at the National Ignition Facility

被引：18
|
作者：
Fernandez, Juan C.
Goldman, S. R.
Kline, J. L.
Dodd, E. S.
Gautier, C.
Grim, G. P.
Hegelich, B. M.
Montgomery, D. S.
Lanier, N. E.
Rose, H.
Schmidt, D. W.
Workman, J. B.
Braun, D. G.
Dewald, E. L.
Landen, O. L.
Campbell, K. M.
Holder, J. P.
MacKinnon, A. J.
Niemann, C.
Schein, J.
Young, B. K.
Celeste, J. R.
Dixit, S. N.
Eder, D. C.
Glenzer, S. H.
Haynam, C. A.
Hinkel, D.
Kalantar, D.
Kamperschroer, J.
Kauffman, R. L.
Kirkwood, R.
Koniges, A. E.
Lee, F. D.
MacGowan, B. J.
Manes, K. R.
McDonald, J. W.
Schneider, M. B.
Shaw, M. J.
Suter, L. J.
Wallace, R. J.
Weber, F. A.
Kaae, J. L.
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87544 USA
[2] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[3] Gen Atom, San Diego, CA 92121 USA
来源：
PHYSICS OF PLASMAS | 2006年 / 13卷 / 05期
关键词：
D O I：
10.1063/1.2183907
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Experiments done at the National Ignition Facility laser [J. A. Paisner, E. M. Campbell, and W. Hogan, Fusion Technol. 26, 755 (1994)] using gas-filled hohlraums demonstrate a key ignition design feature, i.e., using plasma pressure from a gas fill to tamp the hohlraum-wall expansion for the duration of the laser pulse. Moreover, our understanding of hohlraum energetics and the ability to predict the hohlraum soft-x-ray drive has been validated in ignition-relevant conditions. Finally, the laser reflectivity from stimulated Raman scattering in the fill plasma, a key threat to hohlraum performance, is shown to be suppressed by choosing a design with a sufficiently high ratio of electron temperature to density. (c) 2006 American Institute of Physics.
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页数：9
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