All-fiber photoacoustic system for large-area nondestructive testing

Y Wu, X Fu, J Li, P Zhang… - Structural Health …, 2024 - journals.sagepub.com
Nondestructive testing (NDT) is of paramount importance in ensuring the safe operation of
equipment. Among various NDT techniques, ultrasonic NDT has garnered widespread …

Temperature-independent vibration sensor based on Fabry–Perot interferometer using a fiber Bragg grating approach

MSM Sa'ad, MF Ismail, MKA Zaini… - Optical …, 2022 - spiedigitallibrary.org
An innovative vibration sensor based on a Fabry–Perot interferometer (FPI) using fiber
Bragg grating (FBG) reflectors was demonstrated in this work. The sensor was designed to …

Enhancing the performance of FBG accelerometers by using in-fiber fabry perot interferometers

Y Li, Y Wang, X Li, F Chen, R Wang… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
An in-fiber Fabry–Perot interferometer (FPI) is proposed and designed for performance
improvement of a fiber Bragg grating (FBG) accelerometer. It consists of two FBGs which are …

Influence of temperature on the refractive index sensor based on a core-offset in-line fiber Mach-Zehnder interferometer

F Yu, B Liu, Q Zou, P Xue, J Zheng - Optical Fiber Technology, 2020 - Elsevier
The influence of temperature on a refractive index (RI) sensor based on an in-line fiber Mach-
Zehnder interferometer (MZI) was investigated in both simulation and experiment. The RI …

Optical fiber based Mach-Zehnder interferometer for APES detection

H Deng, X Chen, Z Huang, S Kang, W Zhang, H Li… - Sensors, 2021 - mdpi.com
A 3-aminopropyl-triethoxysilane (APES) fiber-optic sensor based on a Mach–Zehnder
interferometer (MZI) was demonstrated. The MZI was constructed with a core-offset fusion …

Fiber Bragg grating-based Fabry-Perot interferometer sensor for damage detection on thin aluminum plate

N Ismail, ZM Hafizi, CW Ooi, MKAB Zaini… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
Structural Health Monitoring of engineering structures has become an essential measure for
the prevention of catastrophic failures. This study presented a feasibility study of Fiber Bragg …

Sensitivity enhanced vector accelerometer based on FBG-FP inscribed on multicore fiber

J Wang, F Chen, R Zhou, R Wang, X Qiao - Applied Optics, 2023 - opg.optica.org
We propose and fabricate a high-sensitivity vector vibration accelerometer with a multicore
fiber Bragg grating Fabry–Perot (FBG-FP) structure. The acceleration sensitivities of the FBG …

Advanced suspended-core fiber sensor for seismic physical modeling

Z Shao, K Zhou, H Yin, X Yang, X Qiao - Optics Express, 2022 - opg.optica.org
A micro ultrasonic sensor based on an advanced suspended-core fiber is proposed and
employed for in-lab seismic physical modeling. A free suspended core is obtained by acid …

Design and preparation of a large core diameter fiber optic ultrasonic transducer

Y Wu, X Fu, Z Li, H Wang - Third International Conference on …, 2023 - spiedigitallibrary.org
The fiber optic ultrasonic transducer is resistant to electromagnetic interference and is highly
multiplexable. Current optical fiber ultrasonic transducers are mainly used in medical …

[PDF][PDF] Design and Preparation of a Large Core Diameter Fiber Optic Ultrasonic Transducer

Y Wua, X Fua, Z Lia, H Wangb - researchgate.net
The fiber optic ultrasonic transducer is resistant to electromagnetic interference and is highly
multiplexable. Current optical fiber ultrasonic transducers are mainly used in medical …