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Polarization adjustment of incident electromagnetic waves for optimal mode-conversion to electron Bernstein waves

H Igami, M Uchida, H Tanaka, T Maekawa2004年Plasma Physics and Controlled FusionIF 2.2出版社

Polarization adjustment of incident transverse electromagnetic waves for optimal mode-conversion to electron Bernstein waves is proposed and analysed. The optimized wave injection excites most efficiently the electrostatic waves at the upper hybrid resonance (UHR) layer. Polarization adjustment is effective for the intermediate range of density gradient near the UHR layer, which has not been covered by the previously proposed schemes of perpendicular injection of X mode for the extremely steep density gradient case and oblique injection of O mode at the optimal injection angle for the gentle gradient case. Various methods of experimental polarization adjustment without detailed information on the density profile are proposed and discussed.

日本語訳

入射横電磁波の偏波調整による電子バーンスタイン波への最適モード変換を提案し、解析する。最適化された波動入射は、上部混成共鳴(UHR)層において静電波を最も効率的に励起する。偏波調整は、UHR層近傍の密度勾配が中間的な範囲に対して有効であり、これは、極めて急峻な密度勾配の場合に対するXモードの垂直入射、および緩やかな勾配の場合に対する最適入射角でのOモードの斜め入射という、これまでに提案された方式ではカバーされていなかった範囲である。密度プロファイルに関する詳細な情報を必要としない実験的な偏波調整の様々な方法を提案し、議論する。

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Electromagnetic wavesBernstein waveElectron Bernstein waves
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