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27 September 2016Design of a compound eye system with planar micolens array and curved folded mirrors
Compound eye has the merits of large FOV (Field of View), high acuity to motion and compact structure. In order to
achieve large FOV, most natural compound eyes have curved structures. However, a 3D microlens array alone cannot
work properly with a planar image sensor, as a result, very complex relay optical design is required for beam-steering
and image formation. On the other hand, artificial compound eyes with planar structure are easy to design and fabricated,
but the field of view is very small. To address this issue, an innovated design is presented in this paper. The system
comprises of a planar structured microlens array and two curved folded mirrors. A very high fill factor can be achieved
by using planar microlens array. The design was verified with Zemax simulation and preliminary experiment. The results
show that the system can achieve large FOV imaging without significant lens distortion and ghost image, demonstrating
the feasibility and flexibility of the proposed method.
Mengchao Ma,Xicheng Gao,Jin Zhang, andHuaxia Deng
"Design of a compound eye system with planar micolens array and curved folded mirrors
", Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 96840F (27 September 2016); https://doi.org/10.1117/12.2244002
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Mengchao Ma, Xicheng Gao, Jin Zhang, Huaxia Deng, "Design of a compound eye system with planar micolens array and curved folded mirrors
," Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 96840F (27 September 2016); https://doi.org/10.1117/12.2244002