Noninvasive determination of the optical properties of two-layered turbid media from time-resolved reflectance measurements

被引：0
|
作者：
Kienle, A [1 ]
Glanzmann, T [1 ]
Wagnières, G [1 ]
van den Bergh, H [1 ]
机构：
[1] Univ Ulm, Dept Biophys, D-89081 Ulm, Germany
来源：
BIOMEDICAL SENSORS, FIBERS, AND OPTICAL DELIVERY SYSTEMS, PROCEEDINGS | 1999年 / 3570卷
关键词：
two-layered turbid medium; diffusion equation; Monte Carlo simulation; near-infrared spectroscopy;
D O I：
10.1117/12.336945
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The influence of the adipose tissue thickness on near-infrared spectroscopy to monitor the haemodynamics in muscles is investigated. It is shown ty calculation of the mean optical pathlength of two-layered turbid media that the validity of the modified Beer-Lambert law is reduced with increasing thickness of the first layer (fat), because the assumption, that the mean optical pathlength is constant, is not fulfilled, In order to avoid these problems we demonstrate that it is possible to derive the optical properties of both layers From time-resolved reflectance measurements using a solution of the two-layered diffusion equation if the thickness oi the first layer is known.
引用
收藏
页码：20 / 27
页数：8
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