EPJ Web Conf.
Volume 237, 2020The 29th International Laser Radar Conference (ILRC 29)
|Number of page(s)||4|
|Section||Lidar Data Analysis and Models|
|Published online||07 July 2020|
Calculations of Light Scattering Matrix of Dust Aerosols for Problems of Lidar Remote Sensing
1 V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk 634055, Russia
2 Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
3 Institute for Astronomy Astrophysics Space Applications and Remote Sensing, Athens 15236, Greece
4 Faculty of Physics, University of Vienna, Vienna 1010, Austria
* Email: firstname.lastname@example.org
Published online: 7 July 2020
The light scattering matrix is calculated for large dust particles with irregular shape and refractive index of 1.3116+i0.0. The scattering matrix in the backward direction needed for lidar studies is separately discussed. In this case, the obtained results for the lidar and depolarization ratios are in good agreement with experimental data. It is shown that for randomly oriented particles the number of particle orientations needed for numerical calculations by exact methods like DDA becomes a crucial parameter. In particular, for particles with size parameters larger than 40 the number of orientations should be more than 1000.
© The Authors, published by EDP Sciences, 2020
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