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Dynamic plasma behaviour excited by m=+or-1 helicon wave

S Shinohara, Y Miyauchi, Y Kawai1995年Plasma Physics and Controlled FusionIF 2.2出版社

The dynamic behaviour of a plasma produced by a helicon wave using exciting m=1 and -1 helical modes is investigated. The RF (radio frequency) power dependence, antenna-plasma coupling, and time evolution of plasma parameters and Ar line intensities are studied in relation to the density jump, i.e. a steep increase in density to a level of 1013 cm-3 by the application of an RP input power greater than 1 kW. Before the density jump, the excited wave is localized near the antenna, exhibiting a standing wave character. After the jump, this wave propagates outwards and a dispersion relation for the helicon wave is confirmed.

日本語訳

ヘリコン波によって生成されるプラズマの動的挙動を、m=1および-1の螺旋モードを用いて励起した場合について調査した。RF(高周波)電力依存性、アンテナ-プラズマ結合、およびプラズマパラメータとAr輝線強度の時間発展を、密度ジャンプ、すなわち1kWを超えるRF入力電力の印加による1013 cm-3のレベルへの密度の急激な増加との関連において研究した。密度ジャンプの前では、励起された波はアンテナ近傍に局在し、定在波の特性を示す。ジャンプ後、この波は外側へ伝播し、ヘリコン波の分散関係が確認された。

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