Design of the 2D electron cyclotron emission imaging instrument for the J-TEXT tokamak

被引：26
作者：
Pan, X. M. [1 ]
Yang, Z. J. [1 ]
Ma, X. D. [1 ]
Zhu, Y. L. [2 ]
Luhmann, N. C., Jr. [3 ]
Domier, C. W. [3 ]
Ruan, B. W. [1 ]
Zhuang, G. [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Hubei, Peoples R China
[2] Univ Sci & Technol China, Sch Phys, Hefei Shi 230026, Anhui, Peoples R China
[3] Univ Calif Davis, Davis Millimeter Wave Res Ctr, Davis, CA 95616 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 11期
关键词：
D O I：
10.1063/1.4959875
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new 2D Electron Cyclotron Emission Imaging (ECEI) diagnostic is being developed for the J-TEXT tokamak. It will provide the 2D electron temperature information with high spatial, temporal, and temperature resolution. The new ECEI instrument is being designed to support fundamental physics investigations on J-TEXT including MHD, disruption prediction, and energy transport. The diagnostic contains two dual dipole antenna arrays corresponding to F band (90-140 GHz) and W band (75-110 GHz), respectively, and comprises a total of 256 channels. The system can observe the same magnetic surface at both the high field side and low field side simultaneously. An advanced optical system has been designed which permits the two arrays to focus on a wide continuous region or two radially separate regions with high imaging spatial resolution. It also incorporates excellent field curvature correction with field curvature adjustment lenses. An overview of the diagnostic and the technical progress including the new remote control technique are presented. Published by AIP Publishing.
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页数：3
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