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Double-prism Scanner for Testing Tracking Performance of Inter-satellite Laser Communication Terminals

机译：双棱镜扫描仪，用于测试卫星间激光通信终端的跟踪性能

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摘要

The scanner of orthogonally tilting double prisms is researched for testing the performance of tracking performance in inter-satellite laser communications for the first time. With the reduction ratio of more than a hundred times from the change rate of deviation angle of beam to that of tilting angle of each prism, the scanner can reach the scanning accuracy of sub-microradian order but facilitates the mechanical structure design. The theoretical analysis performed, as well as the validation experiment, indicates the scanner can meet the requirements of the scanning accuracy superior to 0.5μrad with the scanning range greater than 500μrad.
机译：正交倾斜双棱镜扫描仪的研究旨在首次测试卫星间激光通信中的跟踪性能。从光束的偏离角到每个棱镜的倾斜角的变化率的减小率超过一百倍，扫描仪可以达到亚微弧度的扫描精度，但有助于机械结构设计。进行的理论分析以及验证实验表明，该扫描仪可以满足扫描精度大于0.5μrad，扫描范围大于500μrad的要求。

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