Laser pulse propagation in a two-layered cirrostratus cloudiness accounting for multiple scattering

Tatiana V. Russkova; Victor A. Shishko; Nadezhda V. Kan

doi:10.1117/12.2690713

17 October 2023 Laser pulse propagation in a two-layered cirrostratus cloudiness accounting for multiple scattering

Tatiana V. Russkova, Victor A. Shishko, Nadezhda V. Kan

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1278032 (2023) https://doi.org/10.1117/12.2690713
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

Lidar systems are an effective tool for studying the optical and microphysical properties of scattering media. The efficiency of interpretation of lidar sensing, in turn, depends on the quality of processing measurement data. One of the severe difficulties in solving these problems is that the propagation of laser beam in optically dense scattering media is accompanied by the appearance of a multiple scattering background, which can be estimated by solving the nonstationary transfer equation. However, in the case of the presence of cirrus clouds on the sounding path, data analysis is carried out mainly in the single scattering approximation. The paper considers the features of the propagation of laser pulse generated by a space-borne monostatic lidar in two-layered cirrostratus cloudiness, taking into account multiple scattering. The temporal structure of the echo signals obtained using the original algorithm of the Monte Carlo method is analyzed. It is shown that the ratio of the power of the multiple-scattered lidar signal to the power of the single-scattered signal in the subcloud spaces of the Rayleigh atmosphere can be higher than within the cloud.

Citation Download Citation

Tatiana V. Russkova, Victor A. Shishko, and Nadezhda V. Kan "Laser pulse propagation in a two-layered cirrostratus cloudiness accounting for multiple scattering", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1278032 (17 October 2023); https://doi.org/10.1117/12.2690713

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