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Simultaneous Measurement of Three-Dimensional Displacement Gradients Using Tri-Color Michelson-Type Digital Shearography: Comparison and Optimization of Optical Setups
Technical Paper
2021-01-0302
ISSN: 0148-7191, e-ISSN: 2688-3627
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SAE WCX Digital Summit
Language:
English
Abstract
In recent years, spatial phase-shift technique has been applied in digital shearography to obtain interference phases, solving the problem that temporal phase-shift technique cannot be used in dynamic measurement. In this article, two optical setups of spatial phase-shift digital shearography are compared. The issue of optical setup parameter optimization is also discussed.
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Citation
Wang, H., Wu, S., and Li, W., "Simultaneous Measurement of Three-Dimensional Displacement Gradients Using Tri-Color Michelson-Type Digital Shearography: Comparison and Optimization of Optical Setups," SAE Technical Paper 2021-01-0302, 2021, https://doi.org/10.4271/2021-01-0302.Also In
References
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