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Two-dimensional imaging X-ray spectrometer for plasma diagnostics

T Aota, N Yamaguchi, M Yoshikawa, K Ikeda, T Tamano1997年Fusion Engineering and DesignIF 1.7出版社

AbstractA two-dimensional imaging soft X-ray monochromator is now under development. The main components of this spectrometer are a channel plate collimator (CPC) and multilayer mirrors. We have applied this monochromator to obtain soft X-ray images of GAMMAIO tandem mirror plasmas. In order to obtain clear images in a low energy X-ray regime, we have utilized and tested a focusing effect of the CPC. Ray-trace simulations were carried out under the same conditions as the experiments. After comparison of these results, we have confirmed that the focusing effect of the CPC is useful in practical use. Monochromatized two-dimensional soft X-ray images have been successfully taken on the tandem mirror experiment.

日本語訳

二次元イメージング軟X線モノクロメータを現在開発中である。この分光器の主要構成要素は、チャンネルプレートコリメータ(CPC)と多層膜ミラーである。我々はこのモノクロメータを適用し、GAMMAIOタンデムミラープラズマの軟X線画像を取得した。低エネルギーX線領域において鮮明な画像を得るため、我々はCPCの集束効果を利用し、試験を行った。実験と同一条件下で光線追跡シミュレーションを実施した。これらの結果を比較した後、CPCの集束効果が実用上有用であることを確認した。タンデムミラー実験において、単色化された二次元軟X線画像の取得に成功した。

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Plasma diagnostics
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