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Studies of electron cyclotron emission from high density discharges in the ASDEX Tokamak

D J Campbell, A Eberhagen1984年Plasma Physics and Controlled FusionIF 2.2出版社

Electron cyclotron emission measurements from high-density discharges (electron density ne>or approximately=8*1019 m-3) in the ASDEX Tokamak are analysed. The diagnostic is found to be resilient to the effects of plasma refraction. In particular, reliable electron temperatures may be derived from the second cyclotron harmonic in the plasma until electron densities within 4% of the critical density for the existence of the right-hand, or upper, cut-off are encountered. Comparisons of experimental observations with predictions of a newly developed two-dimensional emission code incorporating refraction yield very good agreement between the two.

日本語訳

ASDEXトカマクにおける高密度放電(電子密度ne≧約8×10^19 m^-3)からの電子サイクロトロン放射測定を解析した。この診断法はプラズマ屈折の影響に対して頑健であることがわかった。特に、右旋(または上部)カットオフの存在に対する臨界密度の4%以内の電子密度に達するまで、プラズマ中の第2サイクロトロン高調波から信頼できる電子温度を導出できる。実験観測と、屈折を組み込んだ新たに開発された二次元放射コードによる予測との比較は、両者の間に非常に良い一致を示す。

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ASDEXElectron cyclotron emission
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