Theoretical study light scattering and absorption by fractal-like tissue
首发时间:2009-02-18
Abstract:An analytical theory integrating the Rayleigh-Debye-Gans theory with fractal aggregate theory (RDG-FA) for a better understanding of the optical properties of fractal-like tissue at a high-resolution scale is present. The calculated optical properties of tissue are consistent with the reported values. And the optical properties are related to the fractal dimension and the correlation length. In addition, the exponents of the inverse power law spectral dependence of scattering coefficient and reduced scattering coefficient are piecewise linearly depending on the fractal dimension, indicating that the exponents can serve as a tools for distinguishing the different tissue
keywords: Rayleigh-Debye-Gans theory fractal optical properties
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理论研究分形组织的光学吸收和散射性质
摘要:本文中综合Rayleigh-Debye-Gans 和 Fractal aggregate理论(RDG-FA)来分析和理解高辨率分形组织的光学性质。生物组织理论数值计算的光学性质与报道过的具有很好的一致性。其光学性质与分形维数和相关长度有关。另外,散射系数和约化散射系数的频谱分布函数是分段函数,其指数与分形维数成线性关系。这表明指数可用于区分不同的生物组织。
关键词: Rayleigh-Debye-Gans理论 分形 光学性质
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No.2920321954712349****
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