Influence of the phase function on determination of the optical properties of biological tissue by spatially resolved reflectance

被引：100

作者：

Kienle, A ^{[1
]}

Forster, FK ^{[1
]}

Hibst, R ^{[1
]}

机构：

[1] Inst Lasertechnol Med & Messtech, D-89081 Ulm, Germany

来源：

OPTICS LETTERS | 2001年 / 26卷 / 20期

关键词：

D O I：

10.1364/OL.26.001571

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spatially resolved reflectance measurements are widely used for determination of the optical properties of biological media. However, the influence of the phase function on these measurements has not been quantified. We show that errors in the derived. reduced scattering and absorption coefficients are as great as 100% for both absolute and relative spatially resolved reflectance measurements if a standard solution of the diffusion equation is used in the analysis. In addition, we investigated nonlinear regressions, using Monte Carlo simulations and an additional fitting parameter that characterizes the phase function, and found that the errors in the obtained optical coefficients were less than or equal to 20%. (C) 2001 Optical Society of America.

引用

页码：1571 / 1573

页数：3

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