Measurement of linear shear in digital shearing speckle interferometry

T. W. Ng, F. S. Chau

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4 Citations (Scopus)


Errors in measurement of linear shear affect the accuracy of surface strain computations in digital shearing speckle interferometry. A novel method using image processing to measure linear shear is proposed. The method is easy to implement and found to yield fast, consistent and accurate results.

Original languageEnglish
Pages (from-to)208-212
Number of pages5
JournalOptics Communications
Issue number3-4
Publication statusPublished - 1 Oct 1993
Externally publishedYes

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