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Research progress of co-phasing inductance edge sensor for Chinese extremely large telescope
Yong Zhang; Qimeng Wang; Yeping Li; Guohua Zhou; Jijun Ni; Aihua Li; Hongmei Li; Yizhong Zeng
2014-07-22
会议录名称Ground-based and Airborne Telescopes V
卷号9145
页码Vol.9145 4Y-1-9
会议日期2014-6-22
会议地点Montréal, Quebec, Canada
会议主办者SPIE
出版者SPIE
摘要
Edge sensor is one of the most important technologies for the extremely large segmented primary telescopes like Keck, Thirty Meter Telescope (TMT), European Extremely Large Telescope (E-ELT) and Chinese Future Giant Telescope (CFGT) for control of out-of-plane degrees of freedom. Different from the capacity edge sensor from Keck and TMT, one kind of an inductance edge sensor is proposed and applied with the similar principle and configuration, fine aligned and tested in this paper to try to realize the same co-focusing or co-phasing maintenance purpose and high accuracy of relative piston and tip/tilt degrees of freedom of the segments. The sensor is also considered and modified to much more
sensitive to dihedral angle between the neighboring segments. Finally some preliminary conclusions are reached.
关键词Extremely Large Telescope Segmented Mirror Active Optics Edge Sensor Inductance Sensor
学科领域主动光学
文献类型会议论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/807
专题会议论文
推荐引用方式
GB/T 7714
Yong Zhang,Qimeng Wang,Yeping Li,et al. Research progress of co-phasing inductance edge sensor for Chinese extremely large telescope[C]:SPIE,2014:Vol.9145 4Y-1-9.
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