Computer Science – Performance
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994lirp.work...25c&link_type=abstract
Presented at the 11th International Workshop on Laser Interaction and Related Plasma Phenomena, Monterey, CA, 25-29 Oct. 1993
Computer Science
Performance
Implosions, Laser Plasmas, Laser Targets, Confinement, Deuterium, Plasma Density
Scientific paper
A series of experiments to produce implosions with fuel densities comparable to an ignition scale implosion hot spot (approximately 20 g/cu cm) have been done at the Nova Laser Fusion Facility. These implosions utilize indirectly driven, deuterium filled capsules for which the primary measurement of fuel density is the secondary neutron technique. Calculations indicated that by decreasing initial capsule fill pressure, these densities could be achieved across a wide range of convergences up to about 25. Initial experiments showed a decrease in observed final fuel densities at the highest convergences due to a lack of adequate laser control. Additional work was done to improve laser pointing, power balance, and beam synchronization which resulted in improved implosion performance.
Cable Michael D.
Hatchett Stephen P.
Lerche Richard A.
Murphy Jason Timothy
Nelson M. B.
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