| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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First Charge Exchange Recombination Spectroscopy Diagnostic in HL-2A Tokamak |
HAN Xiao-Yu, DUAN Xu-Ru, YANG Li-Mei, YU De-Liang, ZHONG Wu-Lv, FU Bing-Zhong, LIU Yong, LIU Yi, YAN Long-Wen, YANG Qing-Wei
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| Southwestern Institute of Physics, Chengdu 610041 |
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| Cite this article: |
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HAN Xiao-Yu, DUAN Xu-Ru, YANG Li-Mei et al 2010 Chin. Phys. Lett. 27 055202 |
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Abstract Spatially resolved measurements of ion temperature are crucial for understanding plasma dynamics. A charge exchange recombination spectroscopy diagnostic system based on a heating neutral beam is installed on the HL-2A tokamak. An optical collection system is designed in accordance with the actual geometry of HL-2A and the CVI 529.2 nm (n= 8→ 7) charge-exchange recombination line. Preliminary measurements show that the CX signals have enough signal-to-noise ratio (SNR). The ion temperature and its profiles are obtained through this system for the first time.
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| Keywords:
52.25.Os
52.25.Ya
52.25.Fa
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Received: 31 December 2009
Published: 23 April 2010
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| PACS: |
52.25.Os
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(Emission, absorption, and scattering of electromagnetic radiation ?)
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52.25.Ya
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(Neutrals in plasmas)
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52.25.Fa
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