Development of multi-wavelength Mie-scattering aerosol lidar system

Zhiyuan Fang; Chenbo Xie; Peng Zhuang; Lu Li; Yufei Chu; Jiadi Shao; Zhanye Zhang; Songlin Fu

doi:10.1117/12.2533773

17 May 2019 Development of multi-wavelength Mie-scattering aerosol lidar system

Zhiyuan Fang, Chenbo Xie, Peng Zhuang, Lu Li, Yufei Chu, Jiadi Shao, Zhanye Zhang, Songlin Fu

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 111702W (2019) https://doi.org/10.1117/12.2533773
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

Abstract

Atmospheric aerosol refers to liquid or solid particulate systems suspended in the atmosphere. Most of them exist in the atmosphere below 2-3km, which can directly cause pollution near the surface atmosphere and seriously affect human health. Lidar is an important tool for measuring aerosols. Using lidar to detect atmospheric aerosols can effectively monitor air pollution and improve the level of environmental monitoring. The Nd:YAG solid-state pulse laser is used to output lasers having wavelengths of 1064 nm, 532 nm, and 355 nm respectively, and receive backscattered light through a telescope. The received backscattered light is divided into four channels through the subsequent optical path, and the optical signal is converted into an electrical signal by a photomultiplier tube, and a three-dimensional distribution map of the extinction coefficient with height and time is obtained. The lidar is continuously observed around the clock to obtain the change of aerosol, which is of great significance for studying the concentration, distribution and scattering of aerosol.

Citation Download Citation

Zhiyuan Fang, Chenbo Xie, Peng Zhuang, Lu Li, Yufei Chu, Jiadi Shao, Zhanye Zhang, and Songlin Fu "Development of multi-wavelength Mie-scattering aerosol lidar system", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111702W (17 May 2019); https://doi.org/10.1117/12.2533773

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