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2004•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Research on the relationship between diffuse reflectance of tissue and its optical parameters

Shuying Cheng, Hongyuan Shen

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Abstract

The relationships between the diffuse reflectance of tissue and its optical parameters (especially the refractive index and the ratio N' of effective scattering coefficient to absorption coefficient) are studied by Monte Carlo method. The limitation in the diffuse reflectance formula fitted by others is found, and a new diffuse reflectance formula which is different for N' in different region is presented. And the diffuse reflectance formulas are obtained for N' = 2 ~ 20 and N' = 40 ~ 100, respectively.

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What this paper is about

The relationships between the diffuse reflectance of tissue and its optical parameters (especially the refractive index and the ratio N' of effective scattering coefficient to absorption coefficient) are studied by Monte Carlo method. The limitation in the diffuse reflectance formula fitted by others is found, and a new diffuse reflectance formula which is different for N' in different region is presented. And the diffuse reflectance formulas are obtained for N' = 2 ~ 20 and N' = 40 ~ 100, respectively.

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Available abstract

The relationships between the diffuse reflectance of tissue and its optical parameters (especially the refractive index and the ratio N' of effective scattering coefficient to absorption coefficient) are studied by Monte Carlo method. The limitation in the diffuse reflectance formula fitted by others is found, and a new diffuse reflectance formula which is different for N' in different region is presented. And the diffuse reflectance formulas are obtained for N' = 2 ~ 20 and N' = 40 ~ 100, respectively.

Key concepts: Diffuse reflection, Reflectivity, Diffuse reflectance infrared fourier transform, Attenuation coefficient, Refractive index, Monte Carlo method, Absorption (acoustics), Optics

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