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Title:A New Look at the Theory of Double-Aperture Speckle Photography
Author(s):Wong, Albert Kai-Wai
Department / Program:Theoretical and Applied Mechanics
Discipline:Theoretical and Applied Mechanics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Applied Mechanics
Abstract:Scalar diffraction theory is used to derive the final fringe formation equations in a spatial filtering setup for a double-apertures specklegram. Both the pointwise and full-field filtering setups are analyzed. The resulting equations are shown to be more complete and exact than the equations from the conventional Moire analysis.
The range of possible in-plane displacement measurement is analyzed. Several experimental demonstrations are presented. The results agree very well with the equations derived and are within the predicted range of measurement.
Issue Date:1981
Description:107 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981.
Other Identifier(s):(UMI)AAI8203640
Date Available in IDEALS:2014-12-16
Date Deposited:1981

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