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Proceedings Paper

The role of evanescent waves in three-dimensional near-field imaging
Author(s): David G. Fischer
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Paper Abstract

The structural information carried by the evanescent components of the scattered field is discussed for the case of a single homogeneous plane wave incident on a weakly scattering three-dimensional medium. It is shown that, unlike the homogeneous components of the scattered field, the evanescent components are related to the three-dimensional Fourier transform of the dielectric susceptibility through a generalized Radon transform. The region of the three- dimensional Fourier space that is accessible from evanescent wave measurements is discussed, as well as the spatial resolution attainable in a typical multiple-view scattering experiment.

Paper Details

Date Published: 13 June 2000
PDF: 9 pages
Proc. SPIE 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical, (13 June 2000); doi: 10.1117/12.388084
Show Author Affiliations
David G. Fischer, NASA Glenn Research Ctr. (United States)

Published in SPIE Proceedings Vol. 3914:
Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical
Jeffrey O. Hollinger; Donald Dean Duncan; Donald Dean Duncan; Jeffrey O. Hollinger; Steven L. Jacques, Editor(s)

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