Noninterferometric phase retrieval using a fractional Fourier system

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Title: Noninterferometric phase retrieval using a fractional Fourier system
Authors: Gopinathan, Unnikrishnan
Situ, Guohai
Naughton, Thomas J.
Sheridan, John T.
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Date: 1-Jan-2008
Abstract: The signal extraction method based on intensity measurements in two close fractional Fourier domains is examined by using the phase space formalism. The fractional order separation has a lower bound and an upper bound that depend on the signal at hand and the noise in the optical system used for measurement. On the basis of a theoretical analysis, it is shown that for a given optical system a judicious choice of fractional order separation requires some a priori knowledge of the signal bandwidth. We also present some experimental results in support of the analysis.
Funding Details: Science Foundation Ireland
Irish Research Council for Science, Engineering and Technology
Type of material: Journal Article
Publisher: Optical Society of America
Journal: Journal of the Optical Society of America A
Volume: 25
Issue: 1
Start page: 108
End page: 115
Copyright (published version): 2008 Optical Society of America
Subject LCSH: Fourier transform optics
Image processing
DOI: 10.1364/JOSAA.25.000108
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Language: en
Status of Item: Not peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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