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Proceedings Paper

Study Of Speckle Multiple-Shearing Interferometry
Author(s): Ma Yaowu; Ke Jingtang
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Paper Abstract

Based on speckle multiple-shearing interferometry advanced by Prof. Y.Y.Hung, the paper deals with further study of its principles and proposes several kinds of new wedges, as well as analyzes the frequency spectra of double-exposure specklegrams. Discussions are also made on second order statistical characteristics of speckles when non-coherent superposition is effected for two speckle fields with no correlation at all. In order to raise the cut-off frequency of Fourier's filtering system, it is recommended in the paper that non-coaxial system be employed in place of coaxial system commonly used. Formulas for computation of changes in phase difference in speckle shearing interferometry have also been derived, and results of computations are compared with those of Prof.Hung.

Paper Details

Date Published: 15 January 1988
PDF: 10 pages
Proc. SPIE 0673, Holography Applications, (15 January 1988); doi: 10.1117/12.939098
Show Author Affiliations
Ma Yaowu, Zhengzhou Institute of Technology (China)
Ke Jingtang, Zhengzhou Institute of Technology (China)


Published in SPIE Proceedings Vol. 0673:
Holography Applications
Jingtang Ke; Ryszard J. Pryputniewicz, Editor(s)

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