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Research on key technology of cooled infrared bionic compound eye camera based on small lens array
Xiaoyu Wang1,2,3, Linhan Li1,2,3, Yinghao Chi1,3
1Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai, 200028, China.
Scientific Reports
|May 15, 2024
Summary
This study introduces an infrared biomimetic compound eye camera, inspired by insect eyes, offering a wide field of view and all-day detection. The innovative design improves image quality and signal-to-noise ratio for infrared imaging systems.
Area of Science:
- Optics and Photonics
- Biomimetic Engineering
- Infrared Imaging Technology
Background:
- Traditional 2D imaging systems face limitations in field of view and motion sensitivity.
- Insect compound eyes offer a biological model for wide-field, motion-robust imaging.
Purpose of the Study:
- To develop an infrared biomimetic compound eye camera system.
- To overcome the limitations of traditional imaging technologies for wide-field and all-day detection.
Main Methods:
- Designed a camera using 61 small lens arrays on a curved spherical shell.
- Integrated a relay optical system with higher-order aspheric surfaces.
- Utilized a high-performance cooled mid-wave infrared detector with a 100% cold-membrane match.
Main Results:
- Achieved a wide observation field angle.
- Demonstrated high image quality across the compound eye camera's imaging range.
- Showcased improved signal-to-noise ratio in diverse scenes.
Conclusions:
- The proposed infrared biomimetic compound eye camera is an innovative system.
- The design provides a wide field of view and all-day detection capability.
- The system effectively addresses large-field aberrations and enhances image quality.
