Computer Science – Graphics
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jqsrt..32...91l&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 32, July 1984, p. 91-101.
Computer Science
Graphics
162
Laser Plasmas, Mathematical Models, Plasma Diagnostics, Plasma Spectra, X Ray Spectroscopy, Computerized Simulation, Data Simulation, Error Analysis, Helium Plasma, Line Spectra, Plasma Density, Plasma Temperature
Scientific paper
A computer code for modeling and analyzing plasmas has been developed which is highly accurate as well as fast and easy to use. It produces synthetic spectra for hydrogen-like and helium-like ions at arbitrary density and temperature. Populations are calculated from rate equations including all relevant collisional and radiative process. The level populations of the hydrogen, helium and lithium-like ionization stages are calculated explicitly; those of all other ionization stages are lumped into one level. The microfield distribution and the shape of the line profiles are determined using detailed calculations. The code includes graphics to plot line ratios and synthetic spectra, and to do on-line analysis of experiments. The usefulness of this technique is demonstrated by analyzing the spectra from three different experiments: a laser irradiated aluminum disk, a neon gas puff pinch, and a laser-imploded gas microballon.
Lee Richard W.
Stout E. II R.
Whitten B. L.
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