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Optical Engineering

Graphical vector description of sampling weights in phase-detecting algorithms
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Paper Abstract

A theory of phase-detecting algorithms based on Fourier theory was described by Freischlad and Koliopoulos (1990). We present an application of this theory to a discrete sampling. It is shown that Greivenkamp (1984) results for a least-squares fitting of the sampling points can be obtained from this Fourier theory. We also present a new graphical vector description of the conditions required by the sampling weights in synchronous phase detection algorithms. Some applications of this graphical representation are presented.

Paper Details

Date Published: 1 July 1997
PDF: 6 pages
Opt. Eng. 36(7) doi: 10.1117/1.601391
Published in: Optical Engineering Volume 36, Issue 7
Show Author Affiliations
Daniel Malacara-Doblado, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Manuel Servin Guirado, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Daniel Malacara-Hernandez, Ctr. de Investigaciones en Optica, A.C. (Mexico)

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