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Optical Engineering

Digitization of interferograms of aspheric wavefronts
Author(s): Zacarias Malacara; Daniel Malacara-Hernandez; Manuel Servin Guirado
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Paper Abstract

When digitizing an interferogram with a detector array, the sampling theorem requires the minimum local fringe spacing or period to be greater than twice the pixel separation. Thus, given a detector, there is a minimum fringe period that may be allowed.1,2 This minimum period, in turn, is set by the wavefront asphericity and the testing method.

Paper Details

Date Published: 1 July 1996
PDF: 4 pages
Opt. Eng. 35(7) doi: 10.1117/1.600766
Published in: Optical Engineering Volume 35, Issue 7
Show Author Affiliations
Zacarias Malacara, Ctr. de Investigaciones en Optica (Mexico)
Daniel Malacara-Hernandez, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Manuel Servin Guirado, Ctr. de Investigaciones en Optica, A.C. (Mexico)

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