Light scattering by biological spheroidal particles in geometric optics approximation

A. Lugovtsov, A. Priezzhev, S. Nikitin
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Abstract

The main goal of this work is the fast analysis of light scattered by a large optically soft spheroidal particle (size parameter ka > 20). In particular, these particles mimic single cells (e.g., red blood cells (RBC)) and their aggregates. Methodology of calculation of light scattering by arbitrarily oriented optically soft spheroidal particles in geometric optics approximation is presented. We show that the geometric optics approximation permits to quickly calculate the angular distributions of the intensities and phases of light scattered from optically soft particles, such as erythrocytes.
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几何光学近似中生物球状粒子的光散射
本工作的主要目标是快速分析大型光学软球颗粒(尺寸参数ka > 20)散射的光。特别是,这些颗粒模拟单细胞(如红细胞)及其聚集体。提出了几何光学近似中任意取向光学软球粒子光散射的计算方法。我们表明,几何光学近似允许快速计算从光学软粒子散射的光的强度和相位的角分布,如红细胞。
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