High-velocity laser-driven implosions with gold-coated microballoons

Juraszek, D.; Billon, D.; Bernard, M.; Bocher, J. L.; Decroisette, M.; Garconnet, J. P.; Breton, J. P. Le; Meynial, D.; Schneider, Ph.

doi:10.1063/1.339261

Cited by 5 publications

(1 citation statement)

References 7 publications

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“…The im age was obtained from the implosion of a directly illuminated target, a spherical, 760-^ni-diam glass shell coated with a thin (1800-A) layer of gold and filled with an equimolar mixture of deuterium and tritium at 6 atm (Ref. 380). The tar get produced a yield of 5 x 10" neu trons, The pixel size is 25 /im, and the two-point resolution is calculated to be 60 (ini.…”

Section: -230mentioning

confidence: 99%

Laser Program annual report 1987

O'Neal¹,

Murphy²,

Canada³

et al. 1989

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This report presents the unclassified activities and accomplishments of the Inertial Confinement Fusion (ICF) and the Advanced Laser Development (ALD) elements of the Laser Program at the Lawrence Livermore National Laboratory (LLNL) for the calendar year 1987. The classified aspects of our work are reported elsewhere. The LLNL Laser Program is supported by the United States Department of Energy. Some of the activities in Advanced Laser Development are supported by agencies of the United States Depart ment of Defense.Our objective in preparing these Laser Program Annual Reports is to disseminate the results of our work for the benefit of the inertial confinement fusion, plasma physics, and laser communities. We attempt to provide, in one volume, sufficient detail to allow full understanding, to permit critical technical evaluation, and to make it possible for others to reproduce or extend our work. Therefore, we present here new concepts, the oretical analyses, computational results, the design and configuration of experiments, and analytical data-the results of our year's research.We have organized this report into major sections that correspond to our principal technical activities. Section 1 notes the highlights of the year's technical accomplish ments and briefly summarizes Program resources and facilities. Section 2 relates our work in target theory, design, and computer code development. In Section 3, we discuss the Nova laser program, including experiments, diagnostics, and data acquisition and management, as well as the laser system and its management. Our effort in the area of ICF target technologies and materials is described in Section 4, and in Section 5 we dis cuss our work on basic laser research and development Section 6 presents our re search on solid state lasers for high-average-power applications. Finally, Section 7 reviews the ICF applications we have studied this year.

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Section: -230mentioning

confidence: 99%

Laser Program annual report 1987

O'Neal¹,

Murphy²,

Canada³

et al. 1989

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Laser plasmas '89

Bakos

1990

Progress in Quantum Electronics

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Scaling model for high-aspect-ratio microballoon direct-drive implosions at short laser wavelengths

et al. 1992

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A scaling model for hot spherical ablative implosions in direct-drive mode is presented. The model results have been compared with experiments from LLE, ILE, and LLNL. Reduction of the neutron yield due to illumination nonuniformities is taken into account by the assumption that the neutron emission is cut off when the gas shock wave reflected off the center meets the incoming pusher, i.e., at a time when the probability of shell breakup is greatly enhanced. The main advantage of this semiempirical scaling model is that it elucidates the principal features of these simple implosions and permits one to estimate very quickly the performance of a high-aspect-ratio direct-drive target illuminated by short-wavelength laser light.

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High-velocity laser-driven implosions with gold-coated microballoons

Cited by 5 publications

References 7 publications

Laser Program annual report 1987

Laser Program annual report 1987

Laser plasmas '89

Scaling model for high-aspect-ratio microballoon direct-drive implosions at short laser wavelengths

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