Optical design of vehicle-mounted infrared imaging system based on free-form prism

Rongsheng Qiu; Liang Hu; Qi Li; Jun Yang; Jie Zhou

doi:10.1117/12.2565012

17 April 2020 Optical design of vehicle-mounted infrared imaging system based on free-form prism

Rongsheng Qiu, Liang Hu, Qi Li, Jun Yang, Jie Zhou

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 1145552 (2020) https://doi.org/10.1117/12.2565012
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

In order to solve the problem of high-cost of the vehicle-assisted driving system and satisfy the requirements of highimaging-quality, the vehicle-mounted infrared optics is light, small, low-cost and mass-produced. In this paper, a compact single-piece free-from prism is used to achieve in-vehicle thermal imaging optical system with waveband of 8~12um, field-of-view of ±14°×±10.5°, F-number of 1 and focal length of 16mm. The optics has a compact structure similar to two-mirror off-axis system, and has the same characteristics with refractive optics of high-quality and low difficulty in installation. Through the process improvement method, the use of molding technology can further reduce the cost of lens, especially suitable for large-volume small-aperture optical systems.

Citation Download Citation

Rongsheng Qiu, Liang Hu, Qi Li, Jun Yang, and Jie Zhou "Optical design of vehicle-mounted infrared imaging system based on free-form prism", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 1145552 (17 April 2020); https://doi.org/10.1117/12.2565012

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