Optical methods of laser ultrasonic testing technology in the industrial and engineering applications: A review

L Xie, Y Lian, F Du, Y Wang, Z Lu - Optics & Laser Technology, 2024 - Elsevier
Laser ultrasonic testing (LUT) technology is one of the most powerful techniques in the field
of non-destructive testing (NDT) or structural health monitoring (SHM). Contactless …

[HTML][HTML] Spatially resolved acoustic spectroscopy for integrity assessment in wire–arc additive manufacturing

P Dryburgh, D Pieris, F Martina, R Patel, S Sharples… - Additive …, 2019 - Elsevier
Wire–arc additive manufacturing (WAAM) is an emergent method for the production and
repair of high value components. Introduction of plastic strain by inter-pass rolling has been …

[PDF][PDF] Towards in-process inspection of additive manufacturing using laser ultrasonics

D Pieris - 2022 - eprints.nottingham.ac.uk
This thesis investigates the capabilities of two laser ultrasonic (LU) non-destructive
evaluation (NDE) techniques to carry out an in-process inspection of additive manufacturing …

CrowdLab: Collaborative Dataset Labeling System Based on Image Segmentation

Z Feng, D Zhu, K Zhang, Y Jia… - 2024 27th International …, 2024 - ieeexplore.ieee.org
In product quality monitoring, surface defect detection (SDD) is an important part related to
the appearance and performance of the product. Machine vision-based SDD usually needs …

Orthogonal Two-Wave Vector Interaction in a Gyrotropic Photorefractive Crystal

RV Romashko, MN Bezruk, YN Kulchin - Bulletin of the Lebedev Physics …, 2023 - Springer
We have proposed and tested a new scheme of organization of an adaptive interferometer,
which is based on the orthogonal geometry of the two-wave vector interaction in a gyrotropic …

Photonic circuit design of adaptive two-wave mixing photorefractive interferometer

Z Qian, C Tao, J Li, F Peng, T Guo… - AOPC 2023: Laser …, 2023 - spiedigitallibrary.org
Two-wave mixing interferometry based on photorefractive crystals stands out among many
techniques for monitoring dynamic strain because it can provide multiple dynamic sensing …

[PDF][PDF] SISTEMA DE VISIÓN EMBEBIDO PARA LA LOCALIZACIÓN DE DEFECTOS EN LA SUPERFICIE DE GEL DE ELECTRODOS DE DISPERSIÓN

INGJAA FLORES - 2019 - posgradoitch.mx
La complicación más común de una electrocirugía es la quemadura eléctrica, que puede
derivarse de defectos en la superficie del gel de los electrodos de dispersión. Por su …