We numerically simulate multiple light scattering in discrete disordered media represented by large clusters of irregular non-absorbing particles. The packing density of clusters is 0.5. With such conditions diffuse scattering is significantly reduced and light transport follows propagation channels that are determined by the particle size and topology of the medium. This kind of localization produces coherent backscattering intensity surge and enhanced negative polarization branch if compared to lower density samples.

中文翻译：

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大量密集堆积的不规则颗粒的光向后散射

我们数值模拟由不规则的非吸收性颗粒的大簇代表的离散无序介质中的多次光散射。簇的堆积密度为0.5。在这样的条件下，扩散的散射被大大减少，光的传播遵循由介质的粒径和拓扑决定的传播通道。与低密度样本相比，这种定位会产生连贯的反向散射强度浪涌和增强的负极化分支。