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The research progress of eddy current edge sensors for Chinese extremely large telescope
Jijun Ni; Yong Zhang
2018-07-06
会议名称SPIE Ground-based and Airborne Telescopes VII(Vol.10700)
会议录名称Ground-based and Airborne Telescopes VII
会议日期2018-6-10
会议地点Austin, Texas, United States
摘要
The segmented mirror active optics technology is one of the key technologies for the extremely large telescope, while edge sensor is one of the essential core components of active optics for the co-phasing maintenance of all segmented mirrors. The main properties of these edge sensors are of high precision of nanometers, high linearity, and low sensitivity to temperature and humidity fluctuations as well as high reliability. This paper presents an eddy current edge sensor design developed cooperatively by Nanjing Institute of Astronomical Optics & Technology and University of Science and Technology of China. The stage work performance results of eddy current sensor prototype under representative operational conditions are also presented.
关键词Edge Sensor Segmented Mirrors Eddy Current Sensor Chinese Extremely Large Telescope
学科领域天文技术与方法
语种英语
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/1563
专题会议论文
作者单位南京天文光学技术研究所
推荐引用方式
GB/T 7714
Jijun Ni,Yong Zhang. The research progress of eddy current edge sensors for Chinese extremely large telescope[C],2018.
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