The same as the traditional optical interference technique, shearography obtains the object deformation information by obtaining the phase, and the measured object is often dynamic in practical ...
Shearography and Digital Speckle Pattern Interferometry (DSPI) are advanced optical techniques that have emerged as critical tools in non-destructive testing (NDT). Both methods utilise coherent laser ...
Laser shearography as a nondestructive testing (NDT) method has been used in a production environment for composite structures for two decades and on a variety of aircraft, including the F-22 stealth ...
As the newest generation of composites-intensive aircraft comes online — notably Boeing's 787, and Airbus' A380 and A350 — nondestructive testing (NDT) of composites will assume unprecedented ...
(a) Unwrapped phase map of the method described in this paper, (b) unwrapped phase map of the nonlinear filter, and (c) unwrapped phase map of the binary mask filter ...
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