Resonance Absorption of Laser-Energy in a Magnetized Target-Plasma
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概要
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Resonance absorption is studied for a steady-state, cold, magnetized plasmairradiated by a laser-light. A magnetic field perpendicular to the plane of incidenceof the light enables the plasma to absorb a normally incident light, because anupper-hybrid wave is excited in the plasma. An obliquely incident light enhancesremarkably the resonance absorption of the upper-hybrid wave. Numerical-integrations of the wave equation show that the maximum absorption-rateexceeds 90 % for reasonable plasma parameters. When the magnetic field has acomponent parallel to the plane of incidence of the light, coupling occurs betweenthe ordinary wave and the extraordinary wave in the plasma. This couplingreduces the dependence of absorption-rate on the polarity of light.
- 社団法人日本物理学会の論文
- 1979-02-15
著者
-
Niu Keishiro
Department Of Energy Science The Graduate School At Nagatsuta Tokyo Institute Of Technology
-
Maki Hiroatsu
Department Of Energy Sciences Tokyo Institue Of Technology
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