Optical System Design of Camera for Cubesat

Yongxue Sun; Hui Sun; Shouwang Jiang; Ke Wang; Gangyi Chen; Tao Li

doi:10.3788/LOP202158.0522002

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 5 >Page 0522002 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 5, 0522002 (2021)

Optical System Design of Camera for Cubesat

Yongxue Sun^*, Hui Sun, Shouwang Jiang, Ke Wang, Gangyi Chen, and Tao Li

Author Affiliations

Shanghai Institute of Spacecraft Equipment, Shanghai 200240, China

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DOI: 10.3788/LOP202158.0522002 Cite this Article Set citation alerts

Yongxue Sun, Hui Sun, Shouwang Jiang, Ke Wang, Gangyi Chen, Tao Li. Optical System Design of Camera for Cubesat[J]. Laser & Optoelectronics Progress, 2021, 58(5): 0522002 Copy Citation Text

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Fig. 1. Imaging system

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Fig. 2. Optical system

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Fig. 3. Spot diagram

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Fig. 4. Performance curves of optical systems. (a) Astigmatism (field curvature); (b) distortion

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Fig. 5. MTF curves

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Fig. 6. Scene imaging

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/mm
100	4.60	≤0.55
90	5.11	≤0.50
80	5.75	≤0.45
70	6.57	≤0.40

Table 1. Correspondence between

D

and

ε

Lens	Diameter/mm	Thickness/mm	Material
1	94	11.28	H-BAK3
2	94	11.00	H-LAK61
3	96	18.70	H-ZK6
4	24	7.90	H-BAF3
5	22	8.42	H-ZBAF16
6	24	8.95	SILICA

Table 2. Mirror parameters

Index/%	MTF
＞99	0.223
＞90	0.262
＞80	0.274
＞50	0.290
＞20	0.302
＞10	0.308

Table 3. Monte Carlo analysis results

Surface	N	ΔN	Thickness /mm	Decentration /mm	Lens	Decentration /mm	Thickness /mm	Tilt /(″)
1	2.0	0.200	±0.050	±0.02	1	±0.05	±0.05	±0.05
2	1.0	0.300		±0.02
3	1.0	0.168	±0.025	±0.01	2	±0.02	±0.02	±0.02
4	1.0	0.200		±0.01
5	1.4	0.200	±0.025	±0.01	3	/	/	/
6	1.0	0.168		±0.01
7	4.0	0.300	±0.050	±0.02	4	±0.05	±0.05	±0.05
8	2.0	0.300		±0.02
9	4.0	0.300	±0.050	±0.02	5	±0.05	±0.05	±0.05
10	5.0	0.300		±0.02
11	5.0	0.300	±0.050	±0.02	6	±0.05	±0.05	±0.05
12	6.0	0.300		±0.02

Table 4. Tolerance distribution

Yongxue Sun, Hui Sun, Shouwang Jiang, Ke Wang, Gangyi Chen, Tao Li. Optical System Design of Camera for Cubesat[J]. Laser & Optoelectronics Progress, 2021, 58(5): 0522002

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