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Plasma experiments with 1.06-[mu]m lasers at the Lawrence Livermore Laboratory

Author
Ahlstrom, H. G.
Published
United States : [publisher not identified], 1976.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1976.
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Boyle, M. J., Brooks, K. M., Haas, R. A., Holzrichter, J. F., Manes, K. R., Phillion, D. W., Rupert, V. C., and Storm, E. K.

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Summary
Recent laser fusion experiments at the Lawrence Livermore Laboratory have provided basic data concerning: laser beam propagation and absorption in high temperature plasmas, electron energy transport processes that transfer the absorbed laser energy to the high-density ablation region, the general fluid dynamic expansion and compression of the heated plasma, and the processes responsible for the production of 14-MeV neutrons during implosion experiments. Irradiation experiments were performed with Nd:YAG glass laser systems: the two-beam Janus (less than or equal to40 J/100 ps, approx.0.4 TW) and Argus (less than or equal to140 J, 35 ps, approx.4 TW), and the single beam Cyclops (less than or equal to70 J/100 ps, approx.0.7 TW). Two classes of targets have been used: glass microshells (approx.40 to 120 ..mu..m in diameter with approx.0.75-..mu..m-thick walls) filled with an equimolar deuterium-tritium mixture, and disks (approx.160 to 600 ..mu..m in diameter and approx. 10 ..mu..m thick) of several compositions. The targets were supported in vacuum (pressure less than or equal to10/sup -5/ Torr) by thin glass stalks. This paper reports on results related to the propagation, absorption, and scattering of laser light by both spherical and planar targets.
Report Numbers
UCRL-77943(Rev.2); CONF-761155-3
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: W-7405-ENG-48
OSTI Identifier 7216279
Research organization: California Univ., Livermore (USA). Lawrence Livermore Lab.
View MARC record | catkey: 47039614