Features of Light Scattering in Turbid Media As Modeled for Two-Component Emulsions

IF 1.1 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
A. V. Shkirin, N. V. Suyazov, S. N. Chirikov, L. L. Chaikov, M. A. Shermeneva, S. V. Gudkov
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Abstract

Specific features of the angular distribution of scattering intensity in a two-component turbid medium consisting of spherical particles have been investigated using numerical simulation. The algorithm for calculating multiple scattering in a turbid medium was based on the Monte Carlo method. Laws of change in the shape of light-scattering phase function in dependence of the size and number of particles per unit volume of the medium are revealed. It is shown that, in comparison with the case of single-component medium, addition of a fraction of particles with sizes larger than the main-fraction particles by an order of magnitude leads to deviation of intensity at forward scattering angles (from 0° to ~40°) to smaller values. Simulation was performed for intermediate-size particles of the main and impurity components of the turbid medium, which approximately correspond to the fat phase of milk and cellular impurities, respectively.

Abstract Image

Abstract Image

模拟双组分乳液在浊介质中的光散射特征
摘要 利用数值模拟研究了由球形颗粒组成的双组分浊介质中散射强度角分布的具体特征。计算浊介质中多重散射的算法基于蒙特卡洛法。研究揭示了光散射相位函数形状随介质单位体积内颗粒大小和数量变化的规律。结果表明,与单组分介质的情况相比,加入一部分尺寸比主组分粒子大一个数量级的粒子,会导致前向散射角(从 0° 到 ~40°)处的强度偏向较小的值。模拟是针对浑浊介质中主要成分和杂质成分的中间尺寸颗粒进行的,它们分别大致相当于牛奶的脂肪相和细胞杂质。
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来源期刊
Physics of Wave Phenomena
Physics of Wave Phenomena PHYSICS, MULTIDISCIPLINARY-
CiteScore
2.50
自引率
21.40%
发文量
43
审稿时长
>12 weeks
期刊介绍: Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.
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