Thomson scattering measurements of heat flux from ion-acoustic waves in laser-produced aluminum plasmas.

Phys Rev E Stat Nonlin Soft Matter Phys

Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, P. O. Box 603, Beijing 100080, China.

Published: April 2005

Thomson scattering (TS) measurements are performed at different locations in a laser-produced aluminum plasma. Variations of the separation, wavelength shift, and asymmetric distribution of the two ion-acoustic waves are investigated from their spectral-time-resolved TS images. Detailed information on the space-time evolution of the plasma parameters is obtained. Electron distribution and variation of the heat flux in the plasma are also obtained for a steep temperature gradient.

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http://dx.doi.org/10.1103/PhysRevE.71.046407DOI Listing

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