Monte Carlo simulation of laser beam scattering by water droplets

Biao Wang; Guang-de Tong; Jia-xuan Lin

doi:10.1117/12.2035033

19 September 2013 Monte Carlo simulation of laser beam scattering by water droplets

Biao Wang, Guang-de Tong, Jia-xuan Lin

Proceedings Volume 8905, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Sensing and Imaging and Applications; 89052P (2013) https://doi.org/10.1117/12.2035033
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

Monte Carlo simulation of laser beam scattering in discrete water droplets is present and the temporal profile of LIDAR signal scattered from random distributed water droplets such as raindrop and fog is acquired. A photon source model is developed in the simulation for laser beam of arbitrary intensity distribution. Mie theory and geometrical optics approximation is used to calculate optical parameters, such as scattering coefficient, Aledo and average asymmetry factor, for water droplets of variable size with gamma distribution. The scattering angle is calculated using the probability distribution given by Henyey-Greenstein phase function. The model solving semi-infinite homogeneous media problem is capable of handling a variety of geometries and arbitrary spatio-temporal pulse profiles.

Citation Download Citation

Biao Wang, Guang-de Tong, and Jia-xuan Lin "Monte Carlo simulation of laser beam scattering by water droplets", Proc. SPIE 8905, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Sensing and Imaging and Applications, 89052P (19 September 2013); https://doi.org/10.1117/12.2035033

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