Performance of single-scattering model versus multiple-scattering model in the determination of optical properties of biological tissue with optical coherence tomography

被引：66

作者：

Lee, Peng ^{[1
]}

Gao, Wanrong ^{[1
]}

Zhang, Xianling ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Elect Engn & Optoelect Tech, Dept Opt Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

APPLIED OPTICS | 2010年 / 49卷 / 18期

基金：

中国国家自然科学基金;

关键词：

HUMAN SKIN; IN-VIVO; ATTENUATION COEFFICIENTS; WAVELENGTH RANGE; REFRACTIVE-INDEX; BLOOD-FLOW; 2200; NM; MEDIA; ABSORPTION;

D O I：

10.1364/AO.49.003538

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Tissue optical properties can be determined with optical coherence tomography (OCT) by fitting a model to the OCT signal. Using calibrated samples in the fixed focus geometry, the validity of the single-scattering and multiple-scattering models for both highly scattering and weakly scattering media (scattering coefficients mu(s) ranging from 1.25 to 25.11 mm(-1)) has been investigated. The results show that, with a proper correction for the confocal properties of the sample arm, both models are appropriate to extract the scattering coefficients of weakly scattering media. For highly scattering media, the multiple scattering should be taken into account, and the multiple-scattering model can provide higher accuracy. Finally, the scattering properties of in vitro rat liver and in vivo human skin are determined. The results are useful for quantitatively characterizing tissue scattering in biomedical research and clinical diagnosis. (C) 2010 Optical Society of America

引用

页码：3538 / 3544

页数：7

共 35 条

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