Design of Infrared Imaging System with Wide Field of View and High Resolution Based on Compression Sensing

被引：3
|
作者：
Jiang Lai [1 ]
Huo Juan [1 ]
Yang Jingqi [1 ]
Wang Zhibin [1 ]
Zhu Yunliang [1 ]
Zhou Jie [1 ]
Ma Zhe [1 ]
机构：
[1] Second Acad CASIC, X LAB, Beijing 100854, Peoples R China
来源：
LASER & OPTOELECTRONICS PROGRESS | 2022年 / 59卷 / 08期
关键词：
imaging systems; compressive sensing; middle-infrared band; objective lens; relay lens; aerial remote sensing; infrared detector array;
D O I：
10.3788/LOP202259.0811003
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Due to the lack of large scale technology of infrared focal plane arrays and the conflict between the wide field-of-view and high resolution for a single aperture infrared detection system, an infrared imaging system with wide field-of-view and high resolution based on compression sensing was designed. The system consists of the objective lens and the relay lens. Firstly, the imaging objective can image a scene with wide field-of-view and high resolution. Secondly, the relay lens images the image surface of a single image modulated by a spatial light modulator. Finally, the scene image received by detector arrays can be restored by image reconstruction algorithm. The design results show that the working wavelength of the system is 3. 8. 4. 8 mu m, and the objective lens has large numerical aperture of F/1. 999. The field-of-view is +/- 16 degrees, and the pixel number can reach 1280x1024. The pixel number of the relay lens is 640x512 with a good matching with the detector array. Comparing to the current single aperture infrared detection system, the designed system has the characteristics of the wide field-of- view, high resolution, and simple and compact structure, and has wide potential application in the field of aerial remote sensing.
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页数：8
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