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Optical Engineering

Composite Grating For Moire Interferometry
Author(s): F. X. Wang; B. S.J. Kang; A. S. Kobayashi
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Paper Abstract

This paper presents the theoretical background and experimental verification of a new composite grating with two different grating frequencies, which was developed for simultaneous measurements of small and large displacements in a single specimen using moire interferometry. A composite grating with line frequencies of 1200 and 300 lines/mm was used to study the changes in the displacement field and the approximate J-integral values of a 5152-H32 aluminum, single-edge-notched specimen under increasing load.

Paper Details

Date Published: 1 July 1988
PDF: 6 pages
Opt. Eng. 27(7) doi: 10.1117/12.7976723
Published in: Optical Engineering Volume 27, Issue 7
Show Author Affiliations
F. X. Wang, University of Washington (United States)
B. S.J. Kang, West Virginia University (United States)
A. S. Kobayashi, University of Washington (United States)


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