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Study of shielding layer plasma parameters in experiments on intensive plasma stream-material interaction

V.N Litunovsky, V.E Kuznetsov, B.V Lyublin, I.B Ovchinnikov, V.A Titov1997年Fusion Engineering and DesignIF 1.7出版社

AbstractSome results of a study of the plasma shielding layer (SL) which appears near the surface of a material irradiated by a plasma high heat flux (wp ≥ 10 MJ m−2) are presented. Analysis of the SL radiation in the visible and UV regions of the spectrum and also data on probing the laser beam absorption have made it possible to estimate the values of plasma density (Ne ≤ 3 × 1024 m−3) and electron temperature (Te = 3−8 eV) and have revealed that the SL plasma is optically thick for visible radiation.

日本語訳

プラズマ高熱流束(wp ≥ 10 MJ m⁻²)によって照射された材料表面近傍に現れるプラズマシールド層(SL)に関する研究結果の一部を提示する。可視および紫外領域におけるSL放射の分析、ならびにレーザービーム吸収のプローブデータにより、プラズマ密度(Ne ≤ 3 × 10²⁴ m⁻³)および電子温度(Te = 3–8 eV)の値の推定が可能となり、SLプラズマが可視放射に対して光学的に厚いことが明らかになった。

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