R Sirohi - Light: Advanced Manufacturing, 2022 - light-am.com
This paper presents the activities in the field of shearography in chronological order and highlights the great potential of this holographic measurement technology. After a brief …
L Yan, L Tan, L Huang, B Chen - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Since the sensitivity of digital shearography (DS) is related to its shearing direction and the anomaly of the relative deformation is sensitive to the defect direction in non-destructive …
S Wang, J Dong, F Pöller, X Dong, M Lu, LM Bilgeri… - Applied Optics, 2019 - opg.optica.org
This paper describes a dual-directional shearography system to address the issue of two- dimensional characterization of the surface strain. A common-path configuration coupled …
This paper presents a single camera digital shearography system with dual sensitivity to enable simultaneous measurement of minor and large shearograms in a single field …
P Yan, F Sun, X Dan, Q Zhao, Y Wang… - Optical …, 2019 - spiedigitallibrary.org
Because the sensitivity of shearography is determined by its shearing direction, aeolotropic defects could be difficult to detect in nondestructive testing (NDT) using a digital …
Shearography is a coherent optical technique that allows the identification of the first derivative of deformation in the shearing direction. Due to direct measuring strain …
Monitoring of extreme dynamic loadings on composite materials with high temporal and spatial resolution provides an important insight into the understanding of the material …
X Liu, P Yan, Y Wang - Light: Advanced Manufacturing, 2023 - light-am.com
The advantage of spatial phase-shifting shearography is its ability to extract the phase from a single speckle pattern; however, it often faces spectrum overlapping, which seriously …