5 September 2017 An acquisition technology of optical ground station in satellite-ground QKD
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Abstract
In this paper, a method of acquisition between optical ground station and quantum communication satellite named Micius for establish optical links is proposed. The acquisition technological specification of the optical ground station system is analyzed. The acquisition strategy of optical ground station is designed. In order to point accurately to quantum satellite for optical ground station, system error modifying method is designed, using the telescope mount model to improve the absolute pointing precision. Finally the experiment result is proposed. Results show that the correction accuracy is better than 5μrad. The acquisition time is less than 5 seconds.
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Dong He, Yong-Mei Huang, Qiang Wang, Bo Qi, Wan-Sheng Liu, Dai-Jun Zhong, "An acquisition technology of optical ground station in satellite-ground QKD", Proc. SPIE 10401, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems, 104010Z (5 September 2017); doi: 10.1117/12.2272920; https://doi.org/10.1117/12.2272920
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