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Proceedings Paper

Phase-contrast tomography using incident spherical waves
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Paper Abstract

In this work we investigate the phase-contrast tomography reconstruction problem assuming an incident (paraxial) spherical-wave. Starting from linearized inverse scattering theory, we develop an intensity diffraction tomography (I-DT) reconstruction algorithm that is relevant to scanning geometries that have a fixed source-to-object distance. This reconstruction algorithm accounts for first-order scattering effects introduced by the object and provides a relationship between the intensity measurements made on two parallel detector planes and the desired complex refractive index distribution. A preliminary numerical investigation of the developed reconstruction algorithm is presented.

Paper Details

Date Published: 26 October 2004
PDF: 9 pages
Proc. SPIE 5535, Developments in X-Ray Tomography IV, (26 October 2004); doi: 10.1117/12.560164
Show Author Affiliations
Mark A. Anastasio, Illinois Institute of Technology (United States)
Daxin Shi, Illinois Institute of Technology (United States)
Yin Huang, Illinois Institute of Technology (United States)
Greg Gbur, Vrije Univ. Amsterdam (Netherlands)

Published in SPIE Proceedings Vol. 5535:
Developments in X-Ray Tomography IV
Ulrich Bonse, Editor(s)

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