大视场并列型仿生复眼光学系统

张家铭; 陈宇; 覃海棋; 刘传志

doi:10.3788/OPE.20202805.1012

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大视场并列型仿生复眼光学系统

现代应用光学 | 更新时间：2020-07-09

- 大视场并列型仿生复眼光学系统
- Optical system of bionic compound eye with large field of view
- 光学精密工程 2020年28卷第5期页码：1012-1018
- 作者机构：
  
  1.长春理工大学光电工程学院，吉林长春 130022
  2.长春理工大学生命科学技术学院，吉林长春 130022
- 作者简介：
  
  [ "张家铭(1994－)，男，河北保定人，硕士研究生，主要从光学系统设计和机械视觉的研究与应用。E-mail:394463508@qq.com" ]
  陈宇(1978－)，男，吉林长春人，博士，副教授，硕士生导师，2002年、2004年、2009年于长春理工大学分别获得学士、硕士、博士学位，主要从事光学系统设计、图像处理及机器视觉等方面的研究。E-mail:323111501@qq.com CHEN Yu, E-mail:323111501@qq.com
- 基金信息：
  
  国家重点研发计划资助项目(2018YBF1105400)
- DOI：10.3788/OPE.20202805.1012
  中图分类号： TH744
- 收稿日期：2019-11-19，
  
  修回日期：2019-12-16，
  
  录用日期：2019-12-16，
  
  纸质出版日期：2020-05-15
- 稿件说明：
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张家铭, 陈宇, 覃海棋, 等. 大视场并列型仿生复眼光学系统[J]. 光学精密工程, 2020,28(5):1012-1018.

Jia-ming ZHANG, Yu CHEN, Hai-qi TAN, et al. Optical system of bionic compound eye with large field of view[J]. Optics and precision engineering, 2020, 28(5): 1012-1018.
张家铭, 陈宇, 覃海棋, 等. 大视场并列型仿生复眼光学系统[J]. 光学精密工程, 2020,28(5):1012-1018. DOI： 10.3788/OPE.20202805.1012.

Jia-ming ZHANG, Yu CHEN, Hai-qi TAN, et al. Optical system of bionic compound eye with large field of view[J]. Optics and precision engineering, 2020, 28(5): 1012-1018. DOI： 10.3788/OPE.20202805.1012.

摘要

为了实现大视场微型仿生复眼系统的增材制造，对仿生复眼的成像原理、微透镜阵列与中继系统的设计以及复眼系统的机械结构进行了研究。根据仿生复眼的光学原理设计出单个微透镜，并完成微透镜阵列。通过设计中继系统，使曲面阵列所成的曲面像转换成平面像，从而被平面探测所接收。将微透镜阵列与中继系统组合并对其进行优化。为了满足复眼系统3D增材制造工艺，对其机械结构进行设计。整个复眼系由3 481个紧密拼接的正六边形微透镜组成，每个微透镜的视场为4°，通光口径为110 μm，整个复眼的视场为123.7°。在120 lp/mm处，复眼各视场的MTF值均大于0.3，各视场点列图的RMS半径均小于艾里斑半径。该系统成像质量良好，公差分析结果表明其像质满足成像要求，满足增材制备工艺需求。

Abstract

Compound eyes are composed of several sub-eyes distributed on a curved surface. Such a vision system has several advantages

such as a small size

large Field of View (FOV)

and high sensitivity

in addition to excellent application prospects in relevant fields of mechanical vision. To realize the additive manufacturing of a bionic compound eye system with a large FOV

the imaging principle of bionic compound eyes

design of a micro-lens array and relay system

and mechanical structure were studied. First

a single micro-lens was designed based on the optical principle of bionic compound eyes

and a micro-lens array was completed. Further

the curved image surface formed by the curved array was converted to a planar image

which could be received by a planar detector

by introducing a relay system. Subsequently

the micro-lens array and the relay system were combined

and the image quality was optimized. Finally

the mechanical structure was designed aiming at the additive manufacture of the compound eye system. The micro-lens array contains 3 481 closely-spliced hexagonal micro-lenses. Each lens has a FOV of 4° and a clear aperture of 110 μm

and the entire compound eye covered an FOV of 123.7°. The MTF values of each FOV are greater than 0.3 at 120 lp/mm

and the corresponding RMS spot radii are less than the radius of the Airy disk. The analysis results indicate that the compound eye with a require image quality can meet addictive manufacturing requirements.

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references

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