Design and Validation of Space Adaptability for Particulate Observing Scanning Polarization

Mingchun Ling; Maoxin Song; Jin Hong; Fei Tao; Peng Zou; Zhen Sun

doi:10.3788/CJL201946.0704002

Chinese Journal of Lasers, Volume. 46, Issue 7, 0704002(2019)

Design and Validation of Space Adaptability for Particulate Observing Scanning Polarization

Mingchun Ling^1,2,3, Maoxin Song^1,3、*, Jin Hong^1,3, Fei Tao^1,2,3, Peng Zou^1,3, and Zhen Sun^1,3

Author Affiliations

¹ Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China

² University of Science and Technology of China, Hefei 230026, China

³ Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei, Anhui 230031, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(22)

Fig. 1. Optical schematic of POSP

Download full size

Fig. 2. Structural assembly drawing of POSP

Download full size

Fig. 3. Diagram of tangential interface and hyperloop interface. (a) Tangential interface; (b) hyperloop interface

Download full size

Fig. 4. Schematic of Wollaston prism

Download full size

Fig. 5. Fixation diagram of Wollaston prism

Download full size

Fig. 6. Diagram of main optical component

Download full size

Fig. 7. Modal of POSP. (a) First order mode of whole machine; (b) mode of main optical component

Download full size

Fig. 8. Temperatures of POSP. (a) Early orbit; (b) high temperature working condition; (c) low temperature working condition

Download full size

Fig. 9. Diagram of field of view coincidence of four channels at the same waveband

Download full size

Fig. 10. Mechanical response curves of POSP. (a) Sine vibration response curve; (b) random vibration response curve

Download full size

Table 1. 0 Thermal analysis of working conditions

View table

Table 1. 0 Thermal analysis of working conditions

State	Heat flow condition	Heat /W	Installationboundarytemperature /℃	Activetemperaturecontrol mode
Early orbit	Local time at ascending intersectionis 13∶15, November 4, 2018;coating is at early state;solar constant is 1323 W·m^-2	Not working	-5	Temperaturecontrol barrier
High temperaturecondition	Local time at ascending ntersection is 13∶30, July 8, 2018;coating is at early state;solar constant is 1414 W·m^-2		15
Low temperaturecondition	Local time at ascending intersectionis 13:15, November 4, 2018;coating is at early state;solar constant is 1323 W·m^-2	Work for 57 min,stand by 41.8 min,average heatconsumption 39.4 W	-5	Normaloperating mode

Table 1. 2 Field of view coincidence test results
View table
Table 1. 2 Field of view coincidence test results
Waveband Pretest After thermal vacuum test After mechanical test
Whole spectral region 91.5 91.8 92.0

Table 1. 1 Conditions of thermal vacuum tests
View table
Table 1. 1 Conditions of thermal vacuum tests
Parameter Vacuum degree /Pa Temperature /℃ Number of cycles Temperature range rate /(℃·min^-1)
Value 6.6×10^-3 -15-55 6.5 ≥1

Table 1. 3 Experimental results of polarization measurement accuracy

View table

Table 1. 3 Experimental results of polarization measurement accuracy

Waveband /nm	Theoretical polarization	Measurement accuracy
Waveband /nm	Theoretical polarization	Pretest	After thermal vacuum test	After mechanical test
	0.0522	0.30	0.27	0.29
	0.1039	0.27	0.24	0.28
380	0.1556	0.20	0.20	0.15
	0.2123	0.21	0.45	0.27
	0.3075	0.33	0.35	0.32
	0.0517	0.17	0.12	0.10
	0.1030	0.10	0.08	0.02
410	0.1543	0.05	0.07	0.03
	0.2106	0.18	0.15	0.21
	0.3053	0.45	0.38	0.40
	0.0513	0.38	0.06	0.04
	0.1022	0.05	0.06	0.01
443	0.1531	0.35	0.44	0.48
	0.2091	0.09	0.12	0.03
	0.3033	0.11	0.32	0.05
	0.0508	0.30	0.20	0.27
	0.1013	0.25	0.31	0.29
490	0.1519	0.18	0.20	0.14
	0.2075	0.23	0.35	0.20
	0.3012	0.45	0.17	0.10
	0.0499	0.24	0.08	0.05
	0.0995	0.43	0.33	0.04
670	0.1492	0.05	0.11	0.04
	0.2040	0.07	0.02	0.04
	0.2966	0.04	0.05	0.00
	0.0493	0.42	0.32	0.36
	0.0984	0.45	0.36	0.39
865	0.1477	0.40	0.40	0.38
	0.2021	0.41	0.23	0.36
	0.2940	0.46	0.36	0.32
	0.0485	0.29	0.20	0.19
	0.0968	0.33	0.17	0.12
1380	0.1453	0.12	0.10	0.06
	0.1989	0.34	0.33	0.01
	0.2898	0.27	0.10	0.09
	0.0481	0.28	0.14	0.21
	0.0960	0.26	0.21	0.15
1610	0.1442	0.43	0.33	0.11
	0.1975	0.27	0.21	0.06
	0.2880	0.34	0.19	0.04
	0.0468	0.26	0.11	0.03
	0.0936	0.05	0.03	0.03
2250	0.1407	0.07	0.04	0.03
	0.1929	0.13	0.13	0.07
	0.2817	0.33	0.32	0.29

Table 2. Heat dissipation thicknesses of different adhesives
View table
Table 2. Heat dissipation thicknesses of different adhesives
Adhesive D_G /mm α_G /℃^-1 α_M /℃^-1 α_e /(10^-6 ℃^-1) v_e t_e /mm
DG-3S 81 0.43 0.73
GD414-C 19 12.4×10^-6 7.9×10^-6 590-790 0.33 0.07-0.09
XM23(RTV) 270 0.47 0.20

Table 3. Material properties of titanium alloy

View table

Table 3. Material properties of titanium alloy

Material	Modulus of elasticity /GPa	Linear expansion coefficient /℃^-1
Calcspar	88.2 (parallel to axis of light)72.4 (perpendicular to axis of light)	25.0×10^-6 (parallel to axis of light)5.8×10^-6 (perpendicular to axis of light)
Titanium alloy	104.0	7.9×10^-6

Table 4. Stress values under different temperatures and thicknesses of rubber layer
View table
Table 4. Stress values under different temperatures and thicknesses of rubber layer
ΔT /mm 0.02 0.03 0.04 0.05
10 /MPa 1.06 0.85 0.73 0.64
20 /MPa 2.11 1.71 1.46 1.28
30 /MPa 3.17 2.56 2.19 1.92

Table 5. Material properties of POSP finite element model for calculation

View table

Table 5. Material properties of POSP finite element model for calculation

Material	Density /(10³ kg·m^-3)	Modulus ofelasticity /GPa	Poisson's ratio	Linear expansioncoefficient /(10^-6 K^-1)
Pyrocream	2500	90.0	0.25	0.5
Aluminum alloy	2800	72.4	0.33	23.0
Carbon fiber	1780	>2100.0	0.30	-1.4
FR-4	1800	11.0	0.28	-

Table 6. Impact working condition (triaxiality)
View table
Table 6. Impact working condition (triaxiality)
Frequency /Hz Shock response spectrum
100 17g
600 600g
4000 600g

Table 7. Sine vibration condition (triaxiality)
View table
Table 7. Sine vibration condition (triaxiality)
Frequency /Hz Amplitude
10 2.3g
20 9g
100 9g

Table 8. Random vibration condition (triaxiality)
View table
Table 8. Random vibration condition (triaxiality)
Frequency /Hz Power spectral density /Hz^-1
10 0.03g²
50 0.7g²
110 0.7g²
150 0.08g²
450 0.08g²
2000 0

Table 9. Modal analysis result
View table
Table 9. Modal analysis result
Order No. 1 2 3 4 5
Natural frequency /Hz 110 120 129 139 145

Tools

Get Citation

Copy Citation Text

Mingchun Ling, Maoxin Song, Jin Hong, Fei Tao, Peng Zou, Zhen Sun. Design and Validation of Space Adaptability for Particulate Observing Scanning Polarization[J]. Chinese Journal of Lasers, 2019, 46(7): 0704002

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites