Vertical fast electron bremsstrahlung diagnostic on J-TEXT tokamak

被引:4
作者
Yang, H. Y. [1 ]
Chen, Z. Y. [1 ,2 ]
Huang, D. W. [1 ]
Tong, R. H. [1 ]
Yan, W. [1 ]
Wei, Y. N. [1 ]
Lin, Z. F. [1 ]
Dai, A. J. [1 ]
Gao, H. L. [1 ]
Wang, X. L. [1 ]
Li, Y. [1 ]
Li, W. [1 ]
Huang, Y. [1 ]
Hu, J. [1 ]
Wang, D. Q. [1 ]
Yang, Z. J. [1 ]
Jiang, Z. H. [1 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Int Joint Res Lab Magnet Confinement Fus & Plasma, Wuhan 430074, Hubei, Peoples R China
[2] Chengdu Univ, Chengdu 610106, Sichuan, Peoples R China
基金
中国国家自然科学基金;
关键词
HT-7; TOKAMAK; TORE-SUPRA; DISCHARGES; RESOLUTION; EMISSION; SLIDE;
D O I
10.1063/1.5035185
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Fast electron bremsstrahlung (FEB) emission during Ohmic discharge experiments on the Joint Texas Experimental Tokamak (J-TEXT) has been measured by a recently developed vertical multi-channel FEB diagnostic based on CdZnTe detectors. There are 5 sight lines to observe the vertical emission of fast electrons at the high-field side with a spatial resolution of 5 cm. The FEB emission in the energy range of 30-300 keV can be measured. The generation of fast electrons accelerated by loop voltage has been confirmed during the early phase of discharge by analyzing the signals of FEB emission. The runaway electron beam instabilities have been observed with the FEB diagnostic on J-TEXT. Published by AIP Publishing.
引用
收藏
页数:5
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