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タイトル: | Plasma polarization spectroscopy of atomic and molecular emissions from magnetically confined plasmas |
著者: | Shikama, T. https://orcid.org/0000-0001-7331-5204 (unconfirmed) Fujii, K. Kado, S. Zushi, H. Sakamoto, M. Iwamae, A. Goto, M. Morita, S. Hasuo, M. https://orcid.org/0000-0001-8441-2640 (unconfirmed) |
著者名の別形: | 四竈, 泰一 |
発行日: | May-2011 |
出版者: | Canadian Science Publishing |
誌名: | Canadian Journal of Physics |
巻: | 89 |
号: | 5 |
開始ページ: | 495 |
終了ページ: | 501 |
抄録: | In spectroscopic measurements of magnetically confined torus plasmas, the line-integrated emission along a viewing chord is usually observed. However, by utilizing the dependence of the magnitude of the Zeeman splitting on the emission location, a few localized emissions existing along the viewing chord can be separated. A detailed analysis of the Zeeman split spectral lineshapes then makes it possible to evaluate the local values of the magnetic field strength, population density, temperature, and flow velocity. We have introduced polarization spectroscopy to improve the accuracy in separating the overlapped spectra. The polarization resolved Hα, He I, and H2 Fulcher-α band spectra are measured in the TRIAM-1M tokamak, and the atomic and molecular dynamics are investigated. Further progress in the simultaneous measurements of the Balmer series and Fulcher-α band spectra in LHD, and extension to the CH Gerö band spectra, are briefly presented. |
著作権等: | © Copyright 2011 – Canadian Science Publishing この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/152188 |
DOI(出版社版): | 10.1139/p10-118 |
出現コレクション: | 学術雑誌掲載論文等 |
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