Scattering depolarization by a bio-medium with anisotropic bio-molecules

被引：2
|
作者：
Nee, Tsu-Wei [1 ]
Nee, Soe-Mie Foeng [1 ]
机构：
[1] Natl Yang Ming Univ, Inst Biophoton, Taipei 11221, Taiwan
来源：
REFLECTION, SCATTERING, AND DIFFRACTION FROM SURFACES | 2008年 / 7065卷
关键词：
scattering; depolarization; bio-medium; bio-molecules; ellipsoid model; anisotropic distribution;
D O I：
10.1117/12.794988
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Light depolarization due to multiple scattering in tissue is an interesting bio-medical issue. The bio-tissue is made of anisotropic molecules. Using a simple ellipsoid model, the polarization property of single anisotropic bio-molecule has been investigated theoretically. We extend this theory to a bio-tissue that is modeled as a system of non-correlated anisotropic molecules. Based upon a statistical model of anisotropic distribution, the scattering depolarization effects are investigated. The simulated molecular orientation-dependent single scattering depolarization D(s)((1)) and the double scattering depolarization D(s)((2)) are reported. D(s)((2)) contribution is more important for high density scattering medium. This theory has provided a simulation tool for investigating the depolarization effect in the highly scattering bio-medium.
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页数：9
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