Design of infrared detection sensitivity test system based on double black body

Fei Xie; Guofeng Zheng; Baolin Du; Peng Zhang

doi:10.1117/12.2565423

17 April 2020 Design of infrared detection sensitivity test system based on double black body

Fei Xie, Guofeng Zheng, Baolin Du, Peng Zhang

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114558E (2020) https://doi.org/10.1117/12.2565423
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

Infrared detection distance is a key indicator of infrared search and tracking system. It is generally realized by testing infrared detection sensitivity in the laboratory.The existing infrared detection sensitivity test system uses a single black body configuration, and the target simulation is realized by the point hole target. The background of the target is realized by the target non-transparent area.In actual use, since the target is close to the infrared analog radiation source, the target will gradually become hot as the use time increases, resulting in a smaller radiance temperature difference between the background and the target, which in turn affects the accuracy of the infrared detection sensitivity. Aiming at this situation, this paper designs a dual-black body-based infrared detection sensitivity test system, which achieves the target simulation by the target black body illuminating the spot target, and the background black body illuminates the target to achieve the background simulation. The temperature difference between the target and the black body can be accurately controlled and improved. Infrared detection sensitivity test accuracy.

Citation Download Citation

Fei Xie, Guofeng Zheng, Baolin Du, and Peng Zhang "Design of infrared detection sensitivity test system based on double black body", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114558E (17 April 2020); https://doi.org/10.1117/12.2565423

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