Influence of particle size and concentration on the diffuse backscattering of polarized light from tissue phantoms and biological cell suspensions

被引:211
作者
Hielscher, AH
Mourant, JR
Bigio, IJ
机构
[1] Los Alamos National Laboratory, Bioscience and Biotechnology, Los Alamos, NM, 87545, CST-4
关键词
polarization; multiple scattering; optical diagnostics for medicine; OPTICAL-PROPERTIES; SCATTERING; DEPOLARIZATION; INVIVO; NM;
D O I
10.1364/AO.36.000125
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present experimental results that show the spatial variations of the diffuse-backscattered intensity when linearly polarized light is incident upon highly scattering media. Experiments on polystyrene-sphere and Intralipid suspensions demonstrate that the radial and azimuthal variations of the observed pattern depend on the concentration, size, and anisotropy factor g of the particles that constitute the scattering medium. Measurements performed on biological-cell suspensions show the potential of this method for cell characterization. (C) 1997 Optical Society of America
引用
收藏
页码:125 / 135
页数:11
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