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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 16, Iss. 7 — Jul. 1, 1999
  • pp: 1806–1813

Diffraction tomography based on McCutchen’s theorem

Markus Testorf and Michael Fiddy  »View Author Affiliations


JOSA A, Vol. 16, Issue 7, pp. 1806-1813 (1999)
http://dx.doi.org/10.1364/JOSAA.16.001806


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Abstract

An early paper by McCutchen [J. Opt. Soc. Am. 54, 240 (1964)] relates the modulation of a convergent spherical wave front to the Fourier transform of the complex amplitude near the geometrical focal point. This implies additional useful Fourier relationships between the wave-front modulations and the cross sections of the diffracted field, which contain the geometrical focal point. We show how these relations can be applied to diffraction tomography. To make use of McCutchen’s relations, particular emphasis is given to the analysis of diffraction tomography with point-source illumination. We derive a sufficient condition under which linear tomographic reconstruction can be applied to arbitrary incident fields and synthetic apertures. This suggests a modified filtered backpropagation algorithm. In addition, we use the results of McCutchen’s paper to obtain information about the symmetry of the object from the scattered field.

© 1999 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(050.1960) Diffraction and gratings : Diffraction theory
(110.6960) Imaging systems : Tomography
(290.3200) Scattering : Inverse scattering

History
Original Manuscript: October 22, 1998
Revised Manuscript: February 22, 1999
Manuscript Accepted: February 22, 1999
Published: July 1, 1999

Citation
Markus Testorf and Michael Fiddy, "Diffraction tomography based on McCutchen’s theorem," J. Opt. Soc. Am. A 16, 1806-1813 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-7-1806

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