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Electron cyclotron emission refraction effects during edge-localized modes

Y In, A E Hubbard, I H Hutchinson2001年Plasma Physics and Controlled FusionIF 2.2出版社

During `type III' edge-localized modes (ELMs) on Alcator C-Mod, electroncyclotron emission (ECE) diagnostics show brief signal drops of secondharmonic X-mode and signal increases of fundamental harmonic O-mode. Theseare explained in terms of refraction effects and are found to be useful toinfer the associated ELM geometrical dimensions. A new ray tracing code,which can accommodate poloidal variations, has been developed for thisinvestigation. The ELMs are modelled satisfactorily as a density loss froma poloidally elongated region.

日本語訳

Alcator C-Modにおける`タイプIII'エッジ局在モード(ELM)中、電子サイクロトロン放射(ECE)診断は、第二高調波Xモードの信号低下と基本波Oモードの信号上昇を示す。これらは屈折効果によって説明され、関連するELMの幾何学的寸法を推測するのに有用であることがわかる。この調査のために、ポロイダル方向の変化を考慮できる新しい射线追跡コードが開発された。ELMは、ポロイダル方向に細長い領域からの密度損失として十分にモデル化される。

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alcator-c-mod低精度(概要文一致)

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Edge localized modeElectron cyclotron emission
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