Raman calibration of the HT-7 yttrium aluminum garnet Thomson scattering for electron density measurements |
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| Authors: | Zang Qing Zhao Junyu Gao Xiang Shi Lingwei Zhang Tao Xi Xiaoqi Yang Li Hu Qingsheng Sajjad S |
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| Affiliation: | Institute of Plasma Physics, Chinese Academy of Sciences, PO Box 1126, Hefei, Anhui 230031, People's Republic of China. zangq@ipp.ac.cn |
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| Abstract: | A multipulse neodym doped yttrium aluminum garnet laser Thomson scattering system calibrated by the anti-Stokes rotational Raman scattering from nitrogen gas had been developed in the HT-7 superconducting Tokmak. By virtue of this system, measured electron density results of the plasma were obtained. The results showed good repeatability and its total uncertainty was estimated to be +/-18%. |
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