Pengzhou Ji, Yu Mu, Chenzhong Zhang, Junhe Meng, Kan Zhao, Dawei Xu. Optical system design of plenoptic camera main objective in sub-kilometer-scale 3D imaging[J]. Infrared and Laser Engineering, 2022, 51(3): 20210493
- Infrared and Laser Engineering
- Vol. 51, Issue 3, 20210493 (2022)
Fig. 1. (a) Kepler telescopic plenoptic camera; (b) Galileo telescopic plenoptic camera
Fig. 2. Plenoptic camera F # matching
Fig. 3. (a) Calculation light path diagram of depth resolution of Galileo structure plenoptic camera; (b) Partial enlarged view
Fig. 4. Relationship curve between object depth resolution and system working object distance under different focal lengths
Fig. 5. Influence of system working distance on depth resolution under different F /#
Fig. 6. The basic structure of the two anti-system
Fig. 7. Relationship between the secondary mirror quadric coefficient
and the blocking ratio
and the secondary mirror magnification
次镜二次曲面系数
与遮拦比
和次镜的放大倍率
之间的关系
Fig. 8. (a) Relationship between the distance between d , α and β; (b) Relationship between L and α ; (c) Relationship between R 1 and β ; (d) Relationship between R 2 , α and β (a)
，
与
之间的关系；(b)
与
之间的关系；(c) R 1与 β 之间的关系；(d)R 1, α 和 β 之间的关系
Fig. 9. Light path diagram of optical system
Fig. 10. Image quality evaluation of optical system. (a) 25 ℃ MTF; (b) −40 ℃ MTF; (c) 70 ℃ MTF; (d) 25 ℃ field curvature and distortion; (e) −40 ℃ field curvature and distortion; (f) 70 ℃ field curvature and distortion
|
Table 1. Index requirements
|
Table 2. MTF under tolerance@80 lp/mm
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