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Influence of the slopes of the specimen grating surface on out-of-plane displacements measured by moire interferometry

✍ Scribed by McKelvie, James ;Patorski, Krzysztof

Book ID
115339785
Publisher
The Optical Society
Year
1988
Tongue
English
Weight
820 KB
Volume
27
Category
Article
ISSN
1559-128X

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A dual-function ESPI system is developed for the measurement of out-of-plane displacement and its slope change. The proposed system is convenient and also efficient to switch over from an out-of-plane sensitive configuration to shearography. A difference-ofphase method with a five-step algorithm is