Size and shape determination of spheroidal scatterers using two-dimensional angle resolved scattering

被引：30
作者：
Giacomelli, Michael [1 ]
Zhu, Yizheng
Lee, John
Wax, Adam
机构：
[1] Duke Univ, Dept Biomed Engn, Durham, NC 27708 USA
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 14期
关键词：
LOW-COHERENCE INTERFEROMETRY; T-MATRIX COMPUTATIONS; LIGHT-SCATTERING; CELL-NUCLEI; SPECTROSCOPY; MICROSCOPY; SYSTEM; PARTICLE; MODELS; CANCER;
D O I：
10.1364/OE.18.014616
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate accurate determination of the size and shape of spherical and spheroidal scatterers through inverse analysis of two-dimensional solid-angle and depth resolved backscattered light intensities. Intensity of scattered light is measured over a wide range of solid angles using a novel scanning fiber optic interferometer from both individual and ensembles of scatterers. T-matrix based inverse analysis of these two-dimensional angular measurements yields completely unique size and aspect ratio determinations with subwavelength precision over a large range of possible scatterer geometries. (C) 2010 Optical Society of America
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收藏
页码：14616 / 14626
页数：11
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