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Science 25 June 1999:
Vol. 284. no. 5423, pp. 2164 - 2166
DOI: 10.1126/science.284.5423.2164
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Reports

Visible Cone-Beam Tomography With a Lensless Interferometric Camera

Daniel L. Marks, 12 Ronald A. Stack, 1 David J. Brady, 12* David C. Munson Jr., 12 Rachael B. Brady 3

Digital processing of optical coherence functions can reconstruct three-dimensional objects illuminated by incoherent light. It is shown that Fourier analysis of the mutual intensity of the field produces projections that are mathematically identical to the projections of x-ray cone-beam tomography. A lensless interferometric camera that captures planes of mutual intensity data is described and used to reconstruct an incoherently illuminated visible object in three dimensions.

1 Beckman Institute for Advanced Science and Technology,
2 Department of Electrical and Computer Engineering,
3 National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, 405 North Mathews Avenue, Urbana, IL 61801, USA.
*   To whom correspondence should be addressed. E-mail: dbrady{at}uiuc.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Coherent Optical Information Systems.
D. Psaltis (2002)
Science 298, 1359-1363
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Science. ISSN 0036-8075 (print), 1095-9203 (online)