Computed tomography of refractive index by low-coherence interferometry

被引：0
作者：
Wang, Yi [1 ,2 ]
Ma, Zhenhe [1 ]
Zhou, Hongxian [1 ]
机构：
[1] Northeastern Univ, Sch Control Engn, Qinhuangdao, Peoples R China
[2] Foshan Univ, Sch Elect & Informat Engn, Foshan 528000, Peoples R China
来源：
THREE-DIMENSIONAL AND MULTIDIMENSIONAL MICROSCOPY: IMAGE ACQUISITION AND PROCESSING XXII | 2015年 / 9330卷
关键词：
computed tomography; low-coherence interferometry; filter back-projection algorithm; refractive index; MICROSCOPY;
D O I：
10.1117/12.2077075
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
We present a 3D imaging system for simultaneously imaging the distributions of refractive index and optical absorption using a transmission Fourier-domain low-coherence interferometer. The forward-scattering light travelling through a sample interferes with a reference light beam. The projections of refractive index and optical absorption within the sample are calculated from measured interference fringes. We acquire the projections at sufficient angular views and reconstruct the distributions of refractive index and optical absorption using the filter back-projection algorithm. The proposed method is experimentally verified by using a plastic tube phantom.
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页数：5
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