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Proceedings Paper

Optical-Hybrid Backprojection Processing
Author(s): C. C. Aleksoff; I. J . LaHaie; A. M. Tai
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Paper Abstract

In some synthetic aperture systems the data gathered from a single transmitted pulse samples the 3-D frequency space of the object. A 3-D image can be formed by taking a 3-D FT of this data. However, the data are often in a form that allows backprojection techniques to be effi-ciently used to generate the image. We describe an optical hybrid coherent backprojection proces-sing technique that uses a 1-D spatial light modulator, a coherent optical processor, a 2-D detector array, and some simple computer post-processing to produce the image.

Paper Details

Date Published: 15 April 1983
PDF: 7 pages
Proc. SPIE 0422, 10th Intl Optical Computing Conf, (15 April 1983);
Show Author Affiliations
C. C. Aleksoff, Environmental Research Institute of Michigan (United States)
I. J . LaHaie, Environmental Research Institute of Michigan (United States)
A. M. Tai, Environmental Research Institute of Michigan (United States)

Published in SPIE Proceedings Vol. 0422:
10th Intl Optical Computing Conf
Sam Horvitz, Editor(s)

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