Bench Test of the Vibration Compensation Interferometer for EAST Tokamak

LI Gongshun (李恭顺); YANG Yao (杨曜); LIU Haiqing (刘海庆); JIE Yinxian (揭银先); ZOU Zhiyong (邹志勇); WANG Zhengxing (王正兴); ZENG Long (曾龙); WEI Xuechao (魏学朝); LI Weiming (李维明); LAN Ting (兰婷); ZHU Xiang (朱翔); LIU Yukai (刘煜锴); GAO Xiang (高翔)

doi:10.1088/1009-0630/18/2/19

Plasma Science and Technology > 2016 > 18(2): 206-210. > DOI: 10.1088/1009-0630/18/2/19

LI Gongshun (李恭顺), YANG Yao (杨曜), LIU Haiqing (刘海庆), JIE Yinxian (揭银先), ZOU Zhiyong (邹志勇), WANG Zhengxing (王正兴), ZENG Long (曾龙), WEI Xuechao (魏学朝), LI Weiming (李维明), LAN Ting (兰婷), ZHU Xiang (朱翔), LIU Yukai (刘煜锴), GAO Xiang (高翔). Bench Test of the Vibration Compensation Interferometer for EAST Tokamak[J]. Plasma Science and Technology, 2016, 18(2): 206-210. DOI: 10.1088/1009-0630/18/2/19

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Bench Test of the Vibration Compensation Interferometer for EAST Tokamak

1School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, China 2Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 3School of Physics and Material Science, Anhui University, Hefei 230601, China

Funds: supported by the National Magnetic Confinement Fusion Program of China (Nos. 2014GB106002, 2014GB106003, 2014GB106004) and National Natural Science Foundation of China (Nos. 11105184, 11375237)

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Received Date: March 02, 2015

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Abstract

Abstract

A visible laser-based vibration compensation interferometer has recently been de?signed for the EAST tokamak and the bench test has been finished. The system was optimized for its installation on EAST. The value of the final optical power before the detectors without plasma has been calculated from the component bench test result, which is quite close to the measured value. A nanometer level displacement (of the order of the laser’s wavelength) has been clearly measured by a modulation of piezoelectric ceramic unit, proving the system’s capability.
- vibration compensation,
- system design,
- tokamak diagnostic

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References (1)

References

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