X-ray spectroscopic measurements of high densities and temperatures from indirectly driven inertial confinement fusion capsules

Details X-ray spectroscopic measurements of high densities and temperatures from indirectly driven inertial confinement fusion capsules X-ray spectroscopic measurements of high densities and temperatures from indirectly driven inertial confinement fusion capsules

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvl..70.1263h&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 70, no. 9, p. 1263-1266.

Physics

79

Deuterium, Electron Density (Concentration), Implosions, Inertial Confinement Fusion, Ion Density (Concentration), Nova Laser System, Argon, Electron Transitions, High Energy Interactions, Nuclear Fusion, Pulsed Lasers, X Ray Spectroscopy, Intensities And Shapes Of Atomic Spectral Lines, Plasma Production And Heating By Laser Beams, X-Ray And Gamma-Ray Measurements

Scientific paper

Time-resolved X-ray spectroscopy is used to study the implosion of indirectly driven inertial confinement fusion capsules on the Nova laser. Through the use of Ar dopant in the fuel, measurements of the peak temperature, from emission line ratios, and density, from line broadening, are obtained. These measurements indicate peak electron temperatures of about 1 - 1.6 keV and electron and deuteron densities in the range of (1.0 - 2.0) x 10 exp 24/cu cm, depending on the type of laser drive used. These ion densities, which approach those of stellar interiors, are the highest inferred by direct analysis of Stark-broadened line profiles.

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