Pulsed Power Fusion Program update Page: 1 of 9
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PULSED POWER FUSION PROGRAM UPDATE*
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J. P. Quintenz, R. G. Adams, G. O. Allshouse, J. E. Bailey, D. D. Bloomquist, G. A. Chandler,
R. S. Coats, D. L. Cook, M. E. Cuneo, C. Deeney, M. S. Derzon, M. P. Desjarlais,
M. R. Douglas, D. L. Fehl, A. B. Filuk, T. A. Haill, D. L. Hanson, D. J. Johnson, M. L. Kiefer,
J. S. Lash, R. J. Leeper, B. M. Marder, M. K. Matzen, D. H. McDaniel, E. J. McGuire,
T. A. Mehlhorn, L. P. Mix, A. R. Moats, T. J. Nash, C. L. Olson, R. E. Olson, T. D. Pointon,
J. L. Porter, C. L. Ruiz, T. W. L. Sanford, J. F. Seamen, D. B. Seidel, S. A. Slutz,
R. B. Spielman, W. A. Stygar, M. A. Sweeney, and R. A. VeseyR ECE VED
Sandia National Laboratories JUN p 8 1998
Albuquerque, NM 87185-1191
The U. S. Department of Energy has supported a substantial research program in Inertial
Confinement Fusion (ICF) since the early 1970's. Over the course of the ensuing 25 years,
pulsed power approaches to inertial fusion have remained of interest primarily because of the
high energy, efficiency, and relatively low cost of the technology when compared to the
mainline ICF approach involving large glass lasers. These compelling advantages of pulsed
power, however, have been tempered with the difficulty that has been encountered in
concentrating the energy in space and time to create the high energy and power density
required to achieve temperatures useful in indirect drive ICF. Since the Beams '96 meeting
two years ago, the situation has changed dramatically and extremely high x-ray power (-290
TW) and energy (-1.8 MJ) have been produced in fast z-pinch implosions on the Z accelerator.
These sources have been utilized to heat hohlraums to > 150 eV and have opened the door to
important ICF capsule experiments.
For more than two decades, scientists in laboratories around the world have been utilizing
pulsed power drivers with very short (10's of nanoseconds) pulse lengths for Inertial
Confinement Fusion (ICF) experiments. In the United States, this research has been sponsored
by Defense Programs within the Department of Energy. During this period, the fundamental
pulsed power components and accelerator architectures have evolved to a remarkable extent
and today electrical pulses exceeding 50 TW are routinely obtained on the Z accelerator at
Sandia National Laboratories. Many of the technological advances in pulsed power were
driven by the demanding requirements placed upon accelerators by the needs of the fusion
program. These requirements are driven by the goal of achieving up to 1 GJ of fusion yield
from an ICF capsule for defense and energy applications. While the fusion yield goal has
remained remarkably the same for the better part of two decades, the required driver energy,
capsule symmetry, and capsule drive pulse shape have evolved considerably as the community
* Sandia is a multi progr tm labora ory
* This work was supported by the United States Department oi.Ep "ay s1lrc }$,"
DE-AC04-94AL85000. Lockheed Martin Company, for the
nited States Department of Energy
MA TER DISTR1iUTION OF Tf;1 DOCUMENT IS UNLIA der contract DE-AC04-94AL85000.
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Quintenz, J.P.; Adams, R.G. & Allshouse, G.O. Pulsed Power Fusion Program update, article, June 1, 1998; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc704068/m1/1/: accessed March 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.