Near-field diffraction tomography with diffuse photon density waves

被引：0

作者：

Li, Xingde ^{[1
,2
,4
]}

Pattanayak, Deva N. ^{[2
,3
]}

Durduran, Turgut ^{[1
]}

Culver, Joseph P. ^{[1
]}

Chance, Britton ^{[2
]}

Yodh, Arjun G. ^{[1
]}

机构：

[1] Department of Physics and Astronomy, University of Pennsylvania, Philadelphia,PA,19104, United States

[2] Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia,PA,19104, United States

[3] Silicon Power Corporation, 3 Northway Lane North, Latham,NY,12110, United States

[4] Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge,MA,02139, United States

来源：

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics | 2000年 / 61卷 / 04期

关键词：

Tomography - Photons - Spectrum analysis - Absorption spectroscopy - Diffraction;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

An angular spectrum algorithm is presented for fast, near-field diffraction tomographic imaging with diffuse photon density waves in highly scattering media. A general relation in K space is derived that connects the spatial variations of the optical properties of heterogeneities to the spatial spectra of the measured scattered diffuse photon density waves. The theory is verified experimentally for situations when boundary effects can be neglected. We further describe how to reconstruct absorption and scattering properties simultaneously, and how to incorporate boundary conditions into this angular spectrum algorithm for a turbid medium of finite size (e.g., the slab medium). Limitations and potential improvements of the near-field diffraction tomography are also discussed. © 2000 The American Physical Society.

引用

页码：4295 / 4309

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