Generalized Yamaguchi correlation factor for coherent quadratic phase speckle metrology systems with an aperture

Title: Generalized Yamaguchi correlation factor for coherent quadratic phase speckle metrology systems with an aperture
Authors: Kelly, Damien P.
Ward, Jennifer E.
Gopinathan, Unnikrishnan
Hennelly, Bryan M.
O'Neill, Feidhlim T.
Sheridan, John T.
Permanent link: http://hdl.handle.net/10197/3380
Date: 1-Dec-2006
Abstract: In speckle-based metrology systems, a finite range of possible motion or deformation can be measured. When coherent imaging systems with a single limiting aperture are used in speckle metrology, the observed decorrelation effects that ultimately define this range are described by the well-known Yamaguchi correlation factor. We extend this result to all coherent quadratic phase paraxial optical systems with a single aperture and provide experimental results to support our theoretical conclusions.
Funding Details: Science Foundation Ireland
Irish Research Council for Science, Engineering and Technology
Other funder
Type of material: Journal Article
Publisher: Optical Society of America
Journal: Optics Letters
Volume: 31
Issue: 23
Start page: 3444
End page: 3446
Copyright (published version): 2006 Optical Society of America
Subject LCSH: Speckle metrology
Signal processing
Fourier transform optics
DOI: 10.1364/OL.31.003444
Other versions: http://dx.doi.org/10.1364/OL.31.003444
Language: en
Status of Item: Not peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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