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Proceedings Paper

Computed tomography of refractive index by low-coherence interferometry
Author(s): Yi Wang; Zhenhe Ma; Hongxian Zhou
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Paper Abstract

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.

Paper Details

Date Published: 9 March 2015
PDF: 5 pages
Proc. SPIE 9330, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXII, 93301D (9 March 2015); doi: 10.1117/12.2077075
Show Author Affiliations
Yi Wang, Northeastern Univ. (China)
Foshan Univ. (China)
Zhenhe Ma, Northeastern Univ. (China)
Hongxian Zhou, Northeastern Univ. (China)


Published in SPIE Proceedings Vol. 9330:
Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXII
Thomas G. Brown; Carol J. Cogswell; Tony Wilson, Editor(s)

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