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| 概要 |
For measurements of atomic hydrogen densities in large plasma devices, namely the Gamma-10 mirror machine at Tsukuba University and Heliotron-E toroidal helical machine at Kyoto University, applicabil...ity of laser fluorescence spectroscopy (LFS) tuned at Balmer α transition was investigated. As a result, it is expected that the LFS-measurement is possible at the plasma periphery but is difficult at the centre of the core plasma, the latter being because of a low signal to noise ratio (SNR<1). The methods of improving the SNR were referred, where the larger cross section of the laser beam and the use of a longer integration time of a photomultiplier output were suggested.続きを見る
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Mendeley出力
