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Anisotropic scattering of light in random media: incoherent backscattered spotlight

机译:随机介质中光的各向异性散射:不相干的反向散射聚光灯

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We discuss the anisotropic scattering of unpolarized Light in optically dense random media and the flux analysis of an incoherent backscattered spotlight. We present a classic statistical approach based on the photon-diffusion approximation and Monte Carlo simulations to describe the anisotropic propagation of ballistic and long-path photons in a semi-infinite random medium with internal reflections. An imagery technique with high gray-level resolution is used to measure the surface flux density in the incoherent backscattered spotlight. We investigated light scattering from homogeneous suspensions of nonspherical alumina particles in water. We analyzed the particle volume fi action and the particle-size dependence of the surface flux density to determine the transport mean free path and the optical properties of scatterers from scaling laws that account for short-path photons and internal reflections. (C) 1998 Optical Society of America. [References: 32]
机译:我们讨论了在光密随机介质中非偏振光的各向异性散射以及非相干背向散射聚光灯的通量分析。我们提出了一种基于光子扩散近似和蒙特卡罗模拟的经典统计方法,以描述带有内部反射的半无限随机介质中弹道和长径光子的各向异性传播。具有高灰度分辨率的成像技术用于测量非相干背向散射聚光灯中的表面通量密度。我们研究了非球形氧化铝颗粒在水中均匀悬浮液的光散射。我们分析了粒子通量和表面通量密度的粒度依赖性,从而根据占短程光子和内部反射的缩放定律,确定了运输平均自由程和散射体的光学性质。 (C)1998年美国眼镜学会。 [参考:32]

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