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4 kHz重复频率卫星激光测距系统及其应用

4 kHz Repetition Rate Satellite Laser Ranging System and Its Application

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摘要

分析了上海天文台皮秒激光器系统在不同重复频率下的输出功率、输出波形等性能,实现了重复频率为4 kHz、功率为3 W、波长为532 nm的激光稳定输出。建立了4 kHz重复频率卫星激光测距系统,实现了4 kHz重复频率卫星测距,其测量数据量和标准点数据精度比1 kHz重复频率的分别提高了约2.62倍和1.62倍,提升了卫星观测性能。采用Lomb算法获得了Ajisai卫星自转频率(平均值为0.4234 Hz)以及自转频率准确度(0.0054 Hz),与1 kHz激光观测系统相比,4 kHz重复频率卫星激光测距系统的卫星自转测定精度显著提升。

Abstract

The picosecond-laser system at Shanghai Astronomical Observatory is analyzed and its performances, such as output powers and output waveforms, under different repetition rates are investigated. A stable laser output with repetition rate of 4 kHz, power of 3 W, and wavelength of 532 nm is realized. The 4 kHz repetition rate ranging system is established and the 4 kHz repetition rate satellite laser ranging is achieved. Compared with those for 1 kHz repetition rate, the amount of observation data and the precision of normal point data are increased by approximate 2.62 times and 1.62 times, respectively, which indicating the performance of satellite observation is improved. Moreover, the average spin rate of Ajisai satellite obtained by the Lomb algorithm is 0.4234 Hz with an accuracy of 0.0054 Hz, higher than those from the 1 kHz laser observation, and the measurement accuracy of satellite spin is also improved.

Newport宣传-MKS新实验室计划
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中图分类号:P228.5

DOI:10.3788/aos201939.0314002

所属栏目:激光器与激光光学

基金项目:国家自然科学基金(11503068,U1631240)、博士后创新人才计划(BX201700270)、博士后第62批面上基金(2017M621562)

收稿日期:2018-09-13

修改稿日期:2018-09-28

网络出版日期:2018-10-18

作者单位    点击查看

邓华荣:中国科学院上海天文台, 上海 200030
张海峰:中国科学院上海天文台, 上海 200030中国科学院空间目标与碎片观测重点实验室, 江苏 南京 210008
龙明亮:中国科学院上海天文台, 上海 200030
吴志波:中国科学院上海天文台, 上海 200030中国科学院空间目标与碎片观测重点实验室, 江苏 南京 210008
汤凯:中国科学院上海天文台, 上海 200030
张忠萍:中国科学院上海天文台, 上海 200030中国科学院空间目标与碎片观测重点实验室, 江苏 南京 210008

联系人作者:邓华荣(dhr@shao.ac.cn)

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引用该论文

Deng Huarong,Zhang Haifeng,Long Mingliang,Wu Zhibo,Tang Kai,Zhang Zhongping. 4 kHz Repetition Rate Satellite Laser Ranging System and Its Application[J]. Acta Optica Sinica, 2019, 39(3): 0314002

邓华荣,张海峰,龙明亮,吴志波,汤凯,张忠萍. 4 kHz重复频率卫星激光测距系统及其应用[J]. 光学学报, 2019, 39(3): 0314002

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