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ECE diagnostics in the high density plasma in LHD

H Sasao, S Inagaki, Y Nagayama, P.C de Vries, O Motojima2001年Fusion Engineering and DesignIF 1.7出版社

AbstractThe second harmonic X-mode electron cyclotron emission (ECE) from high-density plasma (the electron density is more than 50% of the cut-off density) is analyzed taking into account the refractive index and the influence of polarization in low field operated large helical device (LHD) (the magnetic field B0=1.5 T). The density dependence of ECE is obtained and compared with the predictions of a theoretical model. It is concluded that the density dependence significantly influences the measurement of Te by ECE in LHD.

日本語訳

高密度プラズマ(電子密度が遮断密度の50%以上)からの第2高調波Xモード電子サイクロトロン放射(ECE)を、低磁場運転された大型ヘリカル装置(LHD)(磁場B0=1.5 T)において、屈折率と偏光の影響を考慮して解析した。ECEの密度依存性を求め、理論モデルによる予測と比較した。その結果、密度依存性がLHDにおけるECEによるTe測定に有意な影響を及ぼすと結論づけられた。

装置

lhd高精度(タイトル一致)

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Plasma diagnosticsLHDElectron cyclotron emission
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