Journal of Infrared and Millimeter Waves, Volume. 41, Issue 5, 905(2022)
Satellite laser ranging research based on near-infrared low-power laser
Figures & Tables(17)
Fig. 1. The number of effective echo photons from satellite laser ranging（100 Hz）
Fig. 4. 0.15 mJ（0.015 W）monopulse energy synchronous satellite laser ranging
Fig. 5. 0.4 mJ（0.04 W）monopulse energy synchronous satellite laser ranging
Fig. 6. 4 mJ（0.4 W）monopulse energy synchronous satellite laser ranging
Fig. 7. Variation of sky background noise brightness in different sky regions
Fig. 8. Influence of different noise intensities on detection probability
Fig. 9. he position of satellite and the Sun（a）position of qzs2,（b）position of compassi5
Fig. 10. Sky background brightness（a）Beijing time 14:00（2020.12.27）sky brightness,（b）Beijing time 15:00（2021.02.03）sky brightness
Table 1. System parameters
View tableView in ArticleTable 1. System parameters
接收望远镜口径 1.2 m 发射系统光学效率 0.64 遮拦比 0.25 探测器探测效率 60%@ 1 064 nm 接收系统光学效率 0.28 激光中心波长 1 064 nm 激光发散角（全角） 2″ 大气透过率 0.5
Table 2. Statistics of low power synchronous satellite laser ranging results at night
View tableView in ArticleTable 2. Statistics of low power synchronous satellite laser ranging results at night
目标卫星 测距时长（s） 目标仰角（°） 激光单脉冲能量（mJ） 重复频率（Hz） 功率（W） 回波率（photons/s） 滤光片带宽（nm） Compassi3 667 55 4 100 0.4 4.2 / Compassi3 437 55 4 100 0.4 4.6 / Compassi3 122 55 0.4 100 0.04 2.1 / Compassi3 177 55 0.4 100 0.04 2.7 / Compassi3 209 55 0.15 100 0.015 0.4 / Compassi3 400 55 0.15 100 0.015 0.3 /
Table 3. Statistics of laser ranging results from low power synchronous satellite at daytime
View tableView in ArticleTable 3. Statistics of laser ranging results from low power synchronous satellite at daytime
目标卫星 测距时长（s） 目标仰角（°） 单脉冲能量（mJ） 重复频率（Hz） 功率（W） 回波率（photons/s） 滤光片带宽（nm） Qz2 81 63 300 100 30 8.3 0.15 Qz2 55 63 300 100 30 7.2 0.15 Qz2 107 63 4 100 0.4 0.5 0.15 Qz2 134 63 4 100 0.4 0.4 0.15 Compassi5 123 58 300 100 30 7.8 0.15 Compassi5 713 58 4 100 0.4 0.2 0.15 Compassi5 675 58 0.4 100 0.04 0.02 0.15 Compassi5 438 58 0.4 100 0.04 0.01 0.15
Table 4. Laser ranging distance statistics under different average power conditions
View tableView in ArticleTable 4. Laser ranging distance statistics under different average power conditions
单脉冲
能量
激光重复频率 平均功率 测量距离 测站/系统 100 J 2 kHz 200 mW 22，000 km SLR 2000 ［ 20 ］400 J 2 kHz 80 mW 22.000 km Graz ［ 21 ］0.6 mJ 10 kHz 6 W 36，000 km Shanghai ［ 4 ］400 mJ 100 Hz 40 W 36，000 km Yunnan 150 J 100 Hz 15 mW 36，000 km TianQin
Table 5. Power statistics of daytime laser ranging
View tableView in ArticleTable 5. Power statistics of daytime laser ranging
单脉冲能量 激光重复频率 平均功率 测量距离 测站/系统 实验时段 400 mJ 100 Hz 40 W 36 000 km 云南天文台［ 1 ］白天 190 J 10 kHz 1.9 W 36 000 km 上海天文台［ 3 ］白天 3 mJ 1 kHz 3 W 20 000 km 长春人卫站 白天 80 mJ 200 Hz 16 W 1 500 km空间碎片 Graz［ 10 ］白天 400 J 2 kHz 0.8 W 6 000 km Lageos Graz［ 22 ］白天 1.5 mJ 10 kHz 15 W 36 000 km TROS1000［ 23 ］白天 7.8 J 1 MHz 7.8 W 36 000 km Graz［ 24 ］白天 0.4 mJ 100 Hz 40 mW 36 000 km TianQin 白天
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Tian-Quan GAO, Xian-Lin WU, Cai-Shi ZHANG, Li-Xiang ZHOU, Hong-Chao ZHAO, Xi-Da HAN, Sheng-Qian LIU, Ming LI. Satellite laser ranging research based on near-infrared low-power laser[J]. Journal of Infrared and Millimeter Waves, 2022, 41(5): 905
Paper Information
Category: Research Articles
Received: Aug. 29, 2021
Accepted: --
Published Online: Feb. 6, 2023
The Author Email: Ming LI (liming73@mail.sysu.edu.cn)
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