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Proceedings Paper

Phase-stepping digital speckle-pattern interferometry and its applications
Author(s): Wen Zheng
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Paper Abstract

This paper describes an automated measuring system using reversal two-step phase algorithm. An automated analysis package has been developed for phase-stepped fringe fields. Factors limiting the measuring accuracy and reliability are discussed. This system has been applied to the measurements of thermal deformation, in-plan deformation, resonant vibration amplitude measuring, and nondestructive testing of carbon fiber honeycomb structure.

Paper Details

Date Published: 5 February 1993
PDF: 8 pages
Proc. SPIE 1755, Interferometry: Techniques and Analysis, (5 February 1993); doi: 10.1117/12.140783
Show Author Affiliations
Wen Zheng, Guangzhou Univ. (China)

Published in SPIE Proceedings Vol. 1755:
Interferometry: Techniques and Analysis
Gordon M. Brown; Osuk Y. Kwon; Malgorzata Kujawinska; Graeme T. Reid, Editor(s)

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