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Spatial distribution measurement of atomic radiation with an astigmatism-corrected Czerny-Turner-type spectrometer in the Large Helical Device
http://hdl.handle.net/10655/2217
http://hdl.handle.net/10655/2217412020b7-aaa5-4379-a50a-aba403cd698e
名前 / ファイル | ライセンス | アクション |
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1038 RevSciInstrum_77_10F124.pdf (301.1 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2009-12-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spatial distribution measurement of atomic radiation with an astigmatism-corrected Czerny-Turner-type spectrometer in the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | helium | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma diagnostics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stellarators | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | toroidal | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | confinement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Zeeman | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | effect | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Goto, Motoshi
× Goto, Motoshi× Morita, Shigeru |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Emission lines in the visible/UV wavelength ranges are observed with 80 lines of sight which cover an entire poloidal cross section of the plasma in the Large Helical Device. The emitted light is received with optical fibers having 100 ?m diameter and is guided into a 1.33 m Czerny-Turner-type spectrometer based on spherical mirrors for collimating and focusing. A charge-coupled device having 13.3×13.3 mm^2 area size is used as the detector and the spectra from all the lines of sight are recorded perpendicularly to the wavelength dispersion. The spectrometer is equipped with optics located in front of the entrance slit to correct the difference between the meridional and sagittal focal points, and thus the astigmatism, which otherwise causes severe cross talk between adjacent optical fiber images on the detector, is corrected. Consequently, simultaneous spectral measurement with 80 lines of sight is realized. The Zeeman splitting of a neutral helium line, lambda667.8 nm (2 ^1P-3 ^1D), which is caused by the magnetic field for plasma confinement, is measured with the spectrometer. Though the obtained line profile is in general a superposition of several components on the same line of sight, they can be separated according to their different splitting widths. The two-dimensional poloidal distribution of the helium line intensity is obtained with the help of a tomographic technique. | |||||
書誌情報 |
en : Review of Scientific Instruments 巻 Vol.77, 号 Issue 10, p. pp.10F124-1 - 10F124-4, 発行日 2006-10-01 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.2216987 | |||||
権利 | ||||||
権利情報 | ?2006 American Institute of Physics | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.2216987 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |