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Visible Cone-Beam Tomography With a Lensless Interferometric Camera

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Science  25 Jun 1999:
Vol. 284, Issue 5423, pp. 2164-2166
DOI: 10.1126/science.284.5423.2164

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Abstract

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.

  • * To whom correspondence should be addressed. E-mail: dbrady{at}uiuc.edu

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