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Proceedings Paper

Filtering tests for the alignment of a convergent correlator
Author(s): Jose Nicolas; Juan Campos; Claudio C. Iemmi; Ignacio Soriano Moreno; Maria Josefa Yzuel
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Paper Abstract

In this work we present a complete set of tests for the precise alignment of a convergent optical correlator. The alignment tests include the fine focusing of the input scene Fourier transform on the filter plane, the filter centering, the scaling of the scene Fourier transform to match the filter size, and the azimuth matching between the scene and the filter. These tests are based on spatial frequency filtering properties. We present the theoretical explanation and experimental results obtained during the alignment procedure.

Paper Details

Date Published: 19 November 2003
PDF: 3 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524645
Show Author Affiliations
Jose Nicolas, Univ. Autonoma de Barcelona (Spain)
Juan Campos, Univ. Autonoma de Barcelona (Spain)
Claudio C. Iemmi, Univ. de Buenos Aires (Argentina)
Ignacio Soriano Moreno, Univ. Miguel Hernandez de Elche (Spain)
Maria Josefa Yzuel, Univ. Autonoma de Barcelona (Spain)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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