A systematic review of advanced sensor technologies for non-destructive testing and structural health monitoring

S Hassani, U Dackermann - Sensors, 2023 - mdpi.com
This paper reviews recent advances in sensor technologies for non-destructive testing
(NDT) and structural health monitoring (SHM) of civil structures. The article is motivated by …

Frequency-scanning interferometry for axial clearance of rotating machinery based on speed synchronization and extended Kalman filter

R Bao, F Duan, X Fu, Z Yu, W Liu, G Guo - Optics and Lasers in …, 2023 - Elsevier
Rotor-stator axial clearance is a crucial design parameter affecting rotating machines'
efficiency and safety. To realize accurate dynamic axial clearance measurement in high …

[PDF][PDF] 剪切散斑干涉关键技术研究及应用进展

王永红, 姚彦峰, 李骏睿, 闫佩正, 李晨… - Laser & Optoelectronics …, 2022 - researching.cn
摘要剪切散斑干涉测量技术是一种非接触式高灵敏度的光学检测技术. 从技术研究和应用领域等
方面对剪切散斑干涉技术近年来的发展进行介绍, 详细阐述空间相移剪切干涉测量 …

Measurement of stress characteristics in flexible multi-thin-film substrates using tomography common optical path interferometry

BJ Wen, CY Lee - Measurement, 2024 - Elsevier
Flexible displays are lightweight, thin, flexible, and impact-resistant, making them a major
trend in the display industry. However, their short lifespan is a significant challenge. Thus …

Quasi-real dataset generation and network improvement in defect detection based on shearography

X Liu, L Zhu, P Yan, B Wang, Y Wang - Optics & Laser Technology, 2024 - Elsevier
Shearography combined with deep learning is increasingly becoming a commonly used
approach in non-destructive testing (NDT). However, the validity of deep learning depends …

High precision dynamic measurement method for axial clearance based on time division multiplexing with dispersive interferometry

F Duan, X Li, R Bao, X Fu, W Liu, Z Yu, G Guo - Optics Express, 2023 - opg.optica.org
Rotor-stator axial clearance is a crucial design parameter affecting rotating machines'
efficiency and safety. To accurately measure the dynamic axial clearance in high-speed …

Design of a three-channel pixelated phase mask and single-frame phase extraction technique

S Wang, A Tian, B Liu, H Wang, X Zhu, Y Zhu… - Optics and Lasers in …, 2024 - Elsevier
The pixelated phase mask (PPM) is a crucial component of the division-of-focal-plane
(DoFP)-type polarization camera that is commonly used in simultaneous phase-shift …

Defects detection in CFRP reinforced concrete structures by digital shearography

H Wang, H Du, Z He, X Zhang, Y Shan, Y Jiao… - Journal of Civil …, 2024 - Springer
Carbon fiber reinforced polymer (CFRP) has gradually become a commonly used repair and
reinforcement material in construction and bridges. Due to its excellent mechanical …

Dynamic deformation measurement with 2-frame phase-shifting speckle interferometry based on speckle statistics and wavefront multiplexing

Y Du, J Li, C Fan, Z Zhao, H Zhao - Review of Scientific Instruments, 2024 - pubs.aip.org
Phase-shifting speckle interferometry could achieve full-field deformation measurement of
rough surfaces. To meet the dynamic requirement and further improve the accuracy, a two …

Single-frame temporal phase-shifting shearography for real-time nondestructive testing

R Wu, Y Li, Y Lu - Optics & Laser Technology, 2024 - Elsevier
Shearography, which is an effective nondestructive testing (NDT) tool, can detect internal
defects of composites materials. Temporal phase-shifting (TPS) shearography has a simple …