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Optical Engineering

Theory And Applications Of The White Light Speckle Method For Strain Analysis
Author(s): A. Asundi; F. P. Chiang
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Paper Abstract

The basic principle of the white light speckle method for strain analysis is reviewed with a theoretical analysis of the recording and reconstruction processes of specklegrams including the effect of defocus. Ways to increase the sensitivity are proposed. The method's a-plicability to measuring inplane displacement, out-of-plane displacement, surface strain on a curved object, interior strain in a 3-D object, and large deformation is exemplified.

Paper Details

Date Published: 1 August 1982
PDF: 11 pages
Opt. Eng. 21(4) 214570 doi: 10.1117/12.7972953
Published in: Optical Engineering Volume 21, Issue 4
Show Author Affiliations
A. Asundi, State University of New York (United States)
F. P. Chiang, State University of New York (United States)

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