Determination optical properties of tissue-like phantoms using diffuse reflectance and transmittance spectroscopy

被引：4
|
作者：
Lu, Huihui [1 ]
Gunther, Jacqueline [1 ]
Andersson-Engels, Stefan [1 ,2 ]
机构：
[1] Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
[2] Univ Coll Cork, Dept Phys, Cork, Ireland
来源：
OPTICS IN HEALTH CARE AND BIOMEDICAL OPTICS VIII | 2018年 / 10820卷
基金：
爱尔兰科学基金会;
关键词：
Optical properties; Spectroscopy; Fibre-optics; Tissue diagnostics;
D O I：
10.1117/12.2501183
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a simple, convenient fibre-optics probe system for the determination optical properties of tissue-like liquid phantoms based on diffuse reflectance and transmittance measurements at the wavelength of visible-near-infrared region. The method combined Monte Carlo simulations, multiple polynomial regression and a Newton-Raphson algorithm for solving nonlinear equation system. In the range of optical properties of phantom with the mu(a) at 0 -0.5 cm-1 and the mu s' at 3 - 45 cm(-1), the mean prediction error at 630 nm was 1.91 % for mu(s) and 7.51 % for mu(a). The performance of the method is further tested by predictive error and validated using similar matrix of milk-ink phantoms on reflectance and transmittance.
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页数：7
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