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Optical Engineering

Objective Laser Speckle Method For Three-Dimensional Displacement Measurement On Curved Surfaces
Author(s): C. C. Kin; F. P. Chiang
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Paper Abstract

By illuminating a ground glass with a laser beam, a spatial field of speckles is created. These speckles are used as displacement gauging ele-ments of curved 3-D objects whose surfaces are coated with photosensitive material. Equations are derived to show that all three components of the surface displacement can be obtained from two specklegrams.

Paper Details

Date Published: 1 February 1983
PDF: 3 pages
Opt. Eng. 22(1) 221153 doi: 10.1117/12.7973065
Published in: Optical Engineering Volume 22, Issue 1
Show Author Affiliations
C. C. Kin, State University of New York (United States)
F. P. Chiang, State University of New York (United States)


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