Estimation of smoke echo signal using single-photon lidar

Yinbo Zhang; Sining Li; Jianfeng Sun; Peng Jiang; Shuaijun Zhou; Xin Zhang; Yue Hou; Hailong Zhang

doi:10.1117/12.2647716

15 December 2022 Estimation of smoke echo signal using single-photon lidar

Yinbo Zhang, Sining Li, Jianfeng Sun, Peng Jiang, Shuaijun Zhou, Xin Zhang, Yue Hou, Hailong Zhang

Proceedings Volume 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022); 124780E (2022) https://doi.org/10.1117/12.2647716
Event: Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 2022, Xi'an, China

Abstract

The non-uniform distribution of smoke and laser spot seriously limits the imaging ability of single-photon lidar through smoke. To this end, based on the collision theory between photons and smoke particles, this paper establishes the time-domain distribution model of scattered photons (Gamma), which considers the lidar system parameters and the characteristics of smoke particles. The shape parameter and inverse scale parameter are defined as the maximum scattering number K and the average scattering number β, respectively. The indoor test effectively illustrates the estimation ability of the model for smoke. The parameter estimation results show that the average scattering number β and the maximum scattering number K increase linearly with the increase of attenuation coefficient. This study is of great significance for the suppression of smoke backscattering and is expected to improve the weather adaptability of single-photon lidar.

Citation Download Citation

Yinbo Zhang, Sining Li, Jianfeng Sun, Peng Jiang, Shuaijun Zhou, Xin Zhang, Yue Hou, and Hailong Zhang "Estimation of smoke echo signal using single-photon lidar", Proc. SPIE 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 124780E (15 December 2022); https://doi.org/10.1117/12.2647716

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KEYWORDS

Scattering

Laser scattering

Photons

Signal attenuation

Particles

LIDAR

Fiber optic gyroscopes

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