The LLNL (Lawrence Livermore National Laboratory) ICF (Inertia Confinement Fusion) program: Progress toward ignition and gain in the laboratory

Details The LLNL (Lawrence Livermore National Laboratory) ICF (Inertia Confinement Fusion) program: Progress toward ignition and gain in the laboratory The LLNL (Lawrence Livermore National Laboratory) ICF (Inertia Confinement Fusion) program: Progress toward ignition and gain in the laboratory

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ppcn.confr...1s&link_type=abstract

Presented at the 13th International Conference on Plasma Physics and Controlled Nuclear Fusion Research, Washington, DC, 1-6 Oct

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Hohlraums, Ignition, Inertial Confinement Fusion, Laser Outputs, Laser Plasmas, Laser Targets, Plasmas (Physics), Technologies, Implosions, Laser Applications, Lasers, Light Beams, Plasma Diagnostics, Research And Development, X Rays

Scientific paper

The Inertial Confinement Fusion (ICF) Program at the Lawrence Livermore National Laboratory (LLNL) has made substantial progress in target physics, target diagnostics, and laser science and technology. In each area, progress required the development of experimental techniques and computational modeling. The objectives of the target physics experiments in the Nova laser facility are to address and understand critical physics issues that determine the conditions required to achieve ignition and gain in an ICF capsule. The LLNL experimental program primarily addresses indirect-drive implosions, in which the capsule is driven by x rays produced by the interaction of the laser light with a high-Z plasma. Experiments address both the physics of generating the radiation environment in a laser-driven hohlraum and the physics associated with imploding ICF capsules to ignition and high-gain conditions in the absence of alpha deposition. Recent experiments and modeling have established much of the physics necessary to validate the basic concept of ignition and ICF target gain in the laboratory. The rapid progress made in the past several years, and in particular, recent results showing higher radiation drive temperatures and implosion velocities than previously obtained and assumed for high-gain target designs, has led LLNL to propose an upgrade of the Nova laser to 1.5 to 2 MJ (at 0.35 (mu)m) to demonstrate ignition and energy gains of 10 to 20 -- the Nova Upgrade.

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