Abstract
The self-similarity model of expanding laser produced plasma is derived from the hydrodynamic equations. An analytical iterative solution taking into account the varying plasma diameter results in remarkably higher electron temperatures. Numerical iteration with the condition of total transfer of the radiation to the plasma in overdense states shows a good agreement with measurements of Engelhardt et. al. at large spherical suspended targets and agreement with measurements of Sigel et. al. at hydrogen foils. On the basis of detailed numerical calculations of Mulser et. el., either heating by self focusing, or higher thermal conductivity than Spitzer’s values are concluded due to collective effects at conditions of high density, if conditions of degeneration and Coulomb logarithms less than unity are present.
Presented at the Workshop on “Laser Interaction and Related Plasma Phenomena”, Rensselaer Polytechnic Institute, Hartford Graduate Center, June 9–13, 1969.
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Hora, H. (1971). Some Results of the Self-Similarity Model. In: Schwarz, H.J., Hora, H. (eds) Laser Interaction and Related Plasma Phenomena. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-0901-7_17
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DOI: https://doi.org/10.1007/978-1-4684-0901-7_17
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