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Investigation of small-scale plasma fluctuations by radar backscattering in the upper hybrid resonance

V I Arkhipenko, B Bruesehaber, V N Budnikov, L A Esipov, E Z Gusakov, E R Its, N M Kaganskaya, M Kraemer, K M Novik, A D Piliya1995年Plasma Physics and Controlled FusionIF 2.2出版社

The radar enhanced scattering (RES) diagnostic is shown to be a feasible tool for studying small-scale plasma fluctuations and waves. This method is based on the effect that an RF wave launched into the plasma is considerably slowed down near the hybrid resonance so that the backscattered signal is received with a large time delay. Fairly good spatial and wavenumber resolution of this diagnostic are demonstrated in various laboratory plasmas.

日本語訳

レーダー強調散乱(RES)診断は、小規模なプラズマ揺動と波動を研究するための実現可能なツールであることが示されている。この手法は、プラズマ中に投入されたRF波が混成共鳴付近で大幅に減速され、その後方散乱信号が大きな時間遅延をもって受信されるという効果に基づいている。この診断法の空間分解能および波数分解能は、さまざまな実験室プラズマにおいて良好であることが実証されている。

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Upper hybrid
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