Temperature Influence of Multi-Optical Axis Consistency in Compound Laser Communication System

Xiang Li; He Liu; Liang Gao; Yan An; Yansong Song; Ziting Sun; Yongqi Zhu; Wenqiang Xi; Chen Zhou

doi:10.3788/AOS202242.1806002

Acta Optica Sinica, Volume. 42, Issue 18, 1806002(2022)

Temperature Influence of Multi-Optical Axis Consistency in Compound Laser Communication System

Xiang Li^1,3, He Liu^2、*, Liang Gao^1,3, Yan An^1,3, Yansong Song^1,3, Ziting Sun², Yongqi Zhu², Wenqiang Xi², and Chen Zhou²

Author Affiliations

¹School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China

²College of Mechanical and Electrical Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China

³National and Local Joint Engineering Research Center of Space and Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, Jilin, China

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Figures & Tables(17)

Fig. 1. Working principle of system

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Fig. 2. Design of double layer structure

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Fig. 3. Local coordinate systems. (a) Local coordinate system of first layer; (b) local coordinate system of second layer

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Fig. 4. Finite element model of reflector 2

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Fig. 5. Results of temperature analysis of mirrors. (a) FSM of fine tracking system; (b) reflector 1; (c) FSM of AO system; (d) turning reflector; (e) deformation mirror; (f) reflector 2; (g) 800 nm/1500 nm spectroscope; (h) 830 nm energy spectroscope; (i) 1550 nm/1530 nm spectroscope

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Fig. 6. Coordinate system of matrix calculation

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Fig. 7. Description of ridge surface. (a) Local optical path of system; (b) sketch of ridge surface

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Fig. 8. Thermal drift experimental situation

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Fig. 9. External experiment condition

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Fig. 10. Results of external experiment. (a) Energy of communication receiving; (b) light spot of fine tracking system; (c) light spot of AO system

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Table 1. Maximum value of mirror deformation unit: mm

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Table 1. Maximum value of mirror deformation unit: mm

Mirror	Maximum value
FSM of fine tracking subsystem	0.059
Reflector 1	0.029
FSM of AO subsystem	0.061
Turning reflector	0.071
Deformation mirror	0.063
Reflector 2	0.074
800 nm/1500 nm spectroscope	0.062
830 nm energy spectroscope	0.058
1550 nm/1530 nm spectroscope	0.068

Table 2. Deflection angle of each mirror surface unit: μrad

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Table 2. Deflection angle of each mirror surface unit: μrad

Mirror	$θ_{X i}$	$θ_{Y i}$
FSM of fine tracking system（ $θ_{X 1}$ / $θ_{Y 1}$ ）	-32.36	26.19
Reflector 1（ $θ_{X 2}$ / $θ_{Y 2}$ ）	1.39	-30.82
FSM of AO system（ $θ_{X 3}$ / $θ_{Y 3}$ ）	-186.49	22.29
Turning reflector（ $θ_{X 4}$ / $θ_{Y 4}$ ）	-1.25	-8.12
Deformation mirror（ $θ_{X 5}$ / $θ_{Y 5}$ ）	-1.58	-17.35
Reflector 2（ $θ_{X 6}$ / $θ_{Y 6}$ ）	-1.97	26.93
800 nm/1500 nm spectroscope（ $θ_{X 7}$ / $θ_{Y 7}$ ）	-1.28	-52.43
830 nm energy spectroscope（ $θ_{X 8}$ / $θ_{Y 8}$ ）	-65.64	7.07
1550 nm/1530 nm spectroscope（ $θ_{X 9}$ / $θ_{Y 9}$ ）	-2.75	-18.97

Table 3. Values of $λ_{i 0}$ , $P_{X i}$ , and $P_{Y i}$

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Table 3. Values of $λ_{i 0}$ , $P_{X i}$ , and $P_{Y i}$

Mirror	$λ_{i 0}$ /（°）	$P_{X i}$	$P_{Y i}$
FSM of fine tracking system（ $i = 1$ ）	-90	$(0,0, 1)$	$(0.707,0.707,0)$
Reflector 1（ $i = 2$ ）	90	$(0,0, 1)$	$(- 0.707,0.707,0)$
FSM of AO system（ $i = 3$ ）	-90	$(0.707,0.707,0)$	$(0,0, 1)$
Turning reflector（ $i = 4$ ）	-90	$(0.707,0.707,0)$	$(0,0, 1)$
Deformation mirror（ $i = 5$ ）	160	$(0,0, 1)$	$(0.174, - 0.985,0)$
Reflector 2（ $i = 6$ ）	110	$(0,0, 1)$	$(0.574, - 0.819,0)$
800 nm/1500 nm spectroscope（ $i = 7$ ）	90	$(0,0, 1)$	$(0.707, - 0.707,0)$
830 nm energy spectroscope（ $i = 8$ ）	-90	$(0,0, 1)$	$(0.707,0.707,0)$
1550 nm/1530 nm spectroscope（ $i = 9$ ）	-90	$(0,0, 1)$	$(- 0.707, - 0.707,0)$

Table 4. Deflection angle of each reflected optical axis

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Table 4. Deflection angle of each reflected optical axis

Mirror	$θ_{X i}^{'}$	$θ_{Y i}^{'}$
FSM of fine tracking system（ $θ_{X 1}^{'}$ / $θ_{Y 1}^{'}$ ）	-64.72	37.05
Reflector 1（ $θ_{X 2}^{'}$ / $θ_{Y 2}^{'}$ ）	-2.78	-43.55
FSM of AO system（ $θ_{X 3}^{'}$ / $θ_{Y 3}^{'}$ ）	-263.71	44.58
Turning reflector（ $θ_{X 4}^{'}$ / $θ_{Y 4}^{'}$ ）	-1.84	16.24
Deformation mirror（ $θ_{X 5}^{'}$ / $θ_{Y 5}^{'}$ ）	3.16	32.59
Reflector 2（ $θ_{X 6}^{'}$ / $θ_{Y 6}^{'}$ ）	-3.94	-34.37
800 nm/1500 nm spectroscope（ $θ_{X 7}^{'}$ / $θ_{Y 7}^{'}$ ）	2.56	74.09
830 nm energy spectroscope（ $θ_{X 8}^{'}$ / $θ_{Y 8}^{'}$ ）	-131.28	-10.04
1550 nm/1530 nm spectroscope（ $θ_{X 9}^{'}$ / $θ_{Y 9}^{'}$ ）	-5.50	26.82

Table 5. Record of temperature and coordinate

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Table 5. Record of temperature and coordinate

Temperature /℃	Coordinate 1	Coordinate 2	Coordinate 3	Average of coordinates 1-3
20	（432，-261）	（426，-265）	（421，-264）	（426.33，-263.33）
24	（390，-239）	（387，-255）	（387，-245）	（388.00，-246.33）
28	（369，-239）	（364，-250）	（366，-248）	（366.33，-245.67）
30	（345，-240）	（341，-243）	（339，-245）	（341.67，-242.67）

Table 6. Offset of light spot
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Table 6. Offset of light spot
Temperature /℃ $M_{X}$ $M_{Y}$
20 0 0
24 -38.33 17.00
28 -60.00 17.66
30 -84.66 20.66

Table 7. Comparison of experiment results and simulation results
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Table 7. Comparison of experiment results and simulation results
Direction Simulation deflection angle /μrad Experimental deflection angle /μrad Error /%
$X$ -462.55 -423.30 9.27
$Y$ 116.59 103.30 12.87

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Xiang Li, He Liu, Liang Gao, Yan An, Yansong Song, Ziting Sun, Yongqi Zhu, Wenqiang Xi, Chen Zhou. Temperature Influence of Multi-Optical Axis Consistency in Compound Laser Communication System[J]. Acta Optica Sinica, 2022, 42(18): 1806002

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