Optical System Design of Camera for Cubesat

Table 1. Correspondence between $D$ and $ε$
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Table 1. Correspondence between $D$ and $ε$
/mm
100 4.60 ≤0.55
90 5.11 ≤0.50
80 5.75 ≤0.45
70 6.57 ≤0.40

Table 2. Mirror parameters
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Table 2. Mirror parameters
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 3. Monte Carlo analysis results
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Table 3. Monte Carlo analysis results
Index/% MTF
＞99 0.223
＞90 0.262
＞80 0.274
＞50 0.290
＞20 0.302
＞10 0.308

Table 4. Tolerance distribution

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Table 4. Tolerance distribution

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

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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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