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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
Citation: 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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    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.
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