Diagnosing Plasma Gradients Using Spectral Line Shapes.

Back, C. A. ; Golivkin, I. ; Mancini, R. ; Missalla, T. ; Landen, O. L. ; Lee, R. W. ; Klein, L.

Technical Information Center Oak Ridge Tennessee

关键词: Plasma gradients;    Spectral line shapes;    Stable implosions;    Plasma spectroscopy;    Imploding cores;   

RP-ID  :  DE200515013172

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

The development of a set of stable implosions using indirectly driven plastic microspheres with argon (0. latrn) doped deuterium (50 atm) has provided a unique source for testing the plasma spectroscopy of the high energy density imploded core. The core reaches electron densities of > 10 to the 24th power cubic centimeters with temperatures of approx. 1 keV and has been shown to be reproducible on a shot to shot basis. Moreover, it has been shown that not only the peak temperature and density are consistent, but that the temporal evolution of the mean temperature and density of the final phase of the implosion is also reproducible. These imploding cores provide a unique opportunity to test aspects of plasma spectroscopy that are difficult to study in other plasmas and to develop methods to test stable hydrodynamics. We will present experimental results and discuss spectroscopic analysis algorithms to determine consistent temperature and density fits to determine gradients in the plasma.