Application Analysis of Tip/Tilt Mirror in 1.2 m Telescope Laser Ranging Receiving System

Pengfei Li; Dongsheng Zhai; Zhulian Li; Yuqiang Li

doi:10.3788/LOP222006

Laser & Optoelectronics Progress, Volume. 60, Issue 17, 1712003(2023)

Application Analysis of Tip/Tilt Mirror in 1.2 m Telescope Laser Ranging Receiving System

Pengfei Li^1,2, Dongsheng Zhai^1,3, Zhulian Li^1,3、*, and Yuqiang Li^1,3

Author Affiliations

¹Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, Yunan, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³Key Laboratory of Space Object & Debris Observation, Chinese Academy of Sciences, Nanjing 210023, Jiangsu , China

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Figures & Tables(9)

Fig. 1. Optical path of 1.2 m telescope

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Fig. 2. Background noise corresponding to different aperture diameters

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Fig. 3. Relationship between maximum and minimum velocity aberrations and orbit height

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Fig. 4. Echo deviation measurement results. (a) Deviation measurement results; (b) variation of deviation with azimuth angle; (c) variation of deviation with altitude angle

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Fig. 5. Simulation optical path diagram of receiving system

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Fig. 6. Spot position with tip/tilt mirror at zero

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Table 1. Corresponding relationship between field aperture and field angle
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Table 1. Corresponding relationship between field aperture and field angle
Aperture /mm Field of view /（″）
0.15 1.43
1.00 9.50
1.50 14.20
2.00 19.00
2.50 23.80
3.00 28.50
4.00 38.00

Table 2. Optical path design parameters
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Table 2. Optical path design parameters
Parameter Value
Spot size 0.025
Tip/tilt mirror diameter 50
Aperture diameter 0.15-4.00
Focusing lens focal length 520
Collimating lens focal length 185
Imaging objective focal length 12

Table 3. Simulation results of tip/tilt mirror correcting echo direction

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Table 3. Simulation results of tip/tilt mirror correcting echo direction

X direction angle of light source /（″）	Y direction angle of light source /（″）	Spot coordinate	X direction angle of tip/tilt mirror /（″）	Y direction angle of tip/tilt mirror /（″）	Spot coordinate
0	0	（0.004，-0.003）	0	0	（0.004，-0.003）
3	0	（0.004，0.0203）	62.55	0	（0.003，-0.003）
6	0	（0.003，0.0408）	125.10	0	（0.004，-0.003）
9	0	（0.0003，0.0612）	250.20	0	（0.004，-0.002）
0	3	（0.0204，-0.004）	0	62.55	（0.003，-0.003）
0	6	（0.0408，-0.002）	0	125.10	（0.003，-0.004）
0	9	（0.0611，-0.003）	0	250.20	（0.004，-0.004）

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Pengfei Li, Dongsheng Zhai, Zhulian Li, Yuqiang Li. Application Analysis of Tip/Tilt Mirror in 1.2 m Telescope Laser Ranging Receiving System[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1712003

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