Closed-form expressions for obtaining the absorption and scattering coefficients of a turbid medium with time-resolved spectroscopy

被引:11
作者
Matcher, SJ
机构
[1] Department of Physics, University of Exeter, Exeter, EX4 4QL, Stocker Road
来源
APPLIED OPTICS | 1997年 / 36卷 / 31期
关键词
biomedical optics; time-resolved spectroscopy; diffusion theory; tissue optics; absorption and scattering coefficients; tissue optical properties;
D O I
10.1364/AO.36.008298
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A simple closed-form relation for extracting the absorption coefficient of a multiply scattering medium from a measured temporal impulse response is pointed out. Such a relation eliminates the need for time-consuming iterative curve-fitting techniques and may also be of use for calculating the regional sensitivity of the time-resolved spectroscopy technique. Equations for three types of measurement geometry (reflection from an infinite half-space, transmission through an infinite slab, and reflection from an infinite slab) are described. The effects of detector temporal resolution and detector intensity linearity are also discussed. (C) 1997 Optical Society of America.
引用
收藏
页码:8298 / 8302
页数:5
相关论文
共 14 条
[1]   THE THEORETICAL BASIS FOR THE DETERMINATION OF OPTICAL PATHLENGTHS IN TISSUE - TEMPORAL AND FREQUENCY-ANALYSIS [J].
ARRIDGE, SR ;
COPE, M ;
DELPY, DT .
PHYSICS IN MEDICINE AND BIOLOGY, 1992, 37 (07) :1531-1560
[2]  
CHANCE B, 1992, Patent No. 5119815
[3]   A REVIEW OF THE OPTICAL-PROPERTIES OF BIOLOGICAL TISSUES [J].
CHEONG, WF ;
PRAHL, SA ;
WELCH, AJ .
IEEE JOURNAL OF QUANTUM ELECTRONICS, 1990, 26 (12) :2166-2185
[4]   SHADES OF GRAY-MATTER - NONINVASIVE OPTICAL-IMAGES OF HUMAN BRAIN RESPONSES DURING VISUAL-STIMULATION [J].
GRATTON, G ;
CORBALLIS, PM ;
CHO, EH ;
FABIANI, M ;
HOOD, DC .
PSYCHOPHYSIOLOGY, 1995, 32 (05) :505-509
[5]   THE RELATION BETWEEN EFFICIENCY AND EXCITING INTENSITY FOR ZINC-SULPHIDE PHOSPHORS [J].
KLASENS, HA ;
RAMSDEN, W ;
QUANTIE, C .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1948, 38 (01) :60-65
[6]   THE INFLUENCE OF GLUCOSE-CONCENTRATION UPON THE TRANSPORT OF LIGHT IN TISSUE-SIMULATING PHANTOMS [J].
KOHL, M ;
ESSENPREIS, M ;
COPE, M .
PHYSICS IN MEDICINE AND BIOLOGY, 1995, 40 (07) :1267-1287
[7]   POSSIBLE CORRELATION BETWEEN BLOOD-GLUCOSE CONCENTRATION AND THE REDUCED SCATTERING COEFFICIENT OF TISSUES IN THE NEAR-INFRARED [J].
MAIER, JS ;
WALKER, SA ;
FANTINI, S ;
FRANCESCHINI, MA ;
GRATTON, E .
OPTICS LETTERS, 1994, 19 (24) :2062-2064
[8]  
Miwa M, 1995, P SOC PHOTO-OPT INS, V2389, P142
[9]   TIME RESOLVED REFLECTANCE AND TRANSMITTANCE FOR THE NONINVASIVE MEASUREMENT OF TISSUE OPTICAL-PROPERTIES [J].
PATTERSON, MS ;
CHANCE, B ;
WILSON, BC .
APPLIED OPTICS, 1989, 28 (12) :2331-2336
[10]  
PATTERSON MS, 1989, P INT SOC OPTICAL EN, V1065, P115