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Proceedings Paper

Propagation of angular cross-spectral density and 3D imaging
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Paper Abstract

Interferometric 3D imaging based on measuring the space- variant cross-spectral density propagated in free space is reviewed. The spatial coherence function such as the cross- spectral density or the mutual intensity conserves the total 3D information as propagating in free space. The present method is on the basis of the propagation law of the cross- spectral density described in the Fourier domain. By using this law, the cross-spectral density across an arbitrary transverse plane is retrieved from the cross-spectral density measured on the observation plane. A series of retrieved cross-spectral densities composes the 3D intensity distribution. An experimental retrieval of the intensity distribution is demonstrated by using uncorrelated two point sources. A similarity of a point spread function of the present interferometric imaging system to an ordinary image forming system is also discussed.

Paper Details

Date Published: 1 October 1999
PDF: 9 pages
Proc. SPIE 3804, Algorithms, Devices, and Systems for Optical Information Processing III, (1 October 1999); doi: 10.1117/12.363973
Show Author Affiliations
Hidenobu Arimoto, Osaka Univ. (Japan)
Kazuyoshi Itoh, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 3804:
Algorithms, Devices, and Systems for Optical Information Processing III
Bahram Javidi; Demetri Psaltis, Editor(s)

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