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Title: A real-time digital shearing speckle interferometer
Authors: Chau, F.S. 
Ng, T.W. 
Issue Date: 1992
Citation: Chau, F.S., Ng, T.W. (1992). A real-time digital shearing speckle interferometer. Measurement Science and Technology 3 (4) : 381-383. ScholarBank@NUS Repository.
Abstract: Shearography is an interferometric method which measures surface displacement derivatives. Although useful for strain analysis and non-destructive testing, the conventional technique is cumbersome and not very suitable for an industrial environment. The authors present the development of an electronic/digital technique which eliminates most of the shortcomings. It enables real-time shearographic fringes to be obtained.
Source Title: Measurement Science and Technology
ISSN: 09570233
DOI: 10.1088/0957-0233/3/4/008
Appears in Collections:Staff Publications

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