Phys. Rev. Lett. 80, 2845–2848 (1998)

Energetics of Inertial Confinement Fusion Hohlraum Plasmas

Abstract

References

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S. H. Glenzer¹, L. J. Suter¹, R. E. Turner¹, B. J. MacGowan¹, K. G. Estabrook¹, M. A. Blain², S. N. Dixit¹, B. A. Hammel¹, R. L. Kauffman¹, R. K. Kirkwood¹, O. L. Landen¹, M.-C. Monteil², J. D. Moody¹, T. J. Orzechowski¹, D. M. Pennington¹, G. F. Stone¹, and T. L. Weiland¹
¹L-399, Lawrence Livermore National Laboratory, University of California, P.O. Box 808, California 94551
²Centre d'Etudes de Limeil-Valenton, Villeneuve Saint-Georges, France

Received 14 November 1997; published in the issue dated 30 March 1998

See accompanying Physics Focus

We present the first measurements of radiation temperatures and stimulated scattering losses in laser-driven, gas-filled hohlraums. They show efficient coupling when applying laser beam smoothing techniques. Scattering losses are reduced to the 3% level while the radiation temperatures increased by ∼15 eV for smoothed laser beams. We observe peak radiation temperatures in excess of 230 eV in gas-filled hohlraums consistent with detailed hydrodynamic LASNEX modeling.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.80.2845

DOI:

10.1103/PhysRevLett.80.2845

PACS:

52.50.Jm, 52.40.Nk, 52.58.Ns, 52.70.Kz

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Phys. Rev. Lett. 80, 2845–2848 (1998)

Energetics of Inertial Confinement Fusion Hohlraum Plasmas