Fiber Bragg grating sensors for the oil industry

X Qiao, Z Shao, W Bao, Q Rong - Sensors, 2017 - mdpi.com
With the oil and gas industry growing rapidly, increasing the yield and profit require
advances in technology for cost-effective production in key areas of reservoir exploration …

Ultrasonic structural health monitoring using fiber Bragg grating

Q Wu, Y Okabe, F Yu - Sensors, 2018 - mdpi.com
The fiber Bragg grating (FBG) sensor, which was developed over recent decades, has been
widely used to measure manifold static measurands in a variety of industrial sectors. Multiple …

High-sensitivity ultrasonic phase-shifted fiber Bragg grating balanced sensing system

Q Wu, Y Okabe - Optics express, 2012 - opg.optica.org
A high-sensitivity ultrasonic sensing system is proposed and demonstrated. In this system, a
phase-shifted fiber Bragg grating (PS-FBG) is used as a sensor to achieve broadband and …

Polymer micro-ring resonator integrated with a fiber ring laser for ultrasound detection

H Wei, S Krishnaswamy - Optics letters, 2017 - opg.optica.org
Polymer micro-ring resonators fabricated by a direct laser writing technique are presented
as sensors for ultrasound detection. The optical micro-ring resonator consists of a micro-ring …

Highly sensitive fiber random-grating-based random laser sensor for ultrasound detection

Y Xu, L Zhang, S Gao, P Lu, S Mihailov, X Bao - Optics letters, 2017 - opg.optica.org
A novel highly sensitive ultrasound sensor based on a random fiber laser is proposed and
demonstrated for the first time, to the best of our knowledge. The random fiber laser is …

Application of a novel optical fiber sensor to detection of acoustic emissions by various damages in CFRP laminates

Q Wu, F Yu, Y Okabe, S Kobayashi - Smart Materials and …, 2014 - iopscience.iop.org
In this research, we applied a novel optical fiber sensor, phase-shifted fiber Bragg grating
balanced sensor with high sensitivity and broad bandwidth, to acoustic emission (AE) …

Highly sensitive ultrasonic sensor based on polymer Bragg grating and its application for 3D imaging of seismic physical model

H Yin, Z Shao, F Chen, X Qiao - Journal of Lightwave Technology, 2022 - opg.optica.org
A miniaturepolymer Bragg grating (PBG) sensor is fabricated and employed for ultrasonic
imaging of seismic physical models (SPMs). The sensing Bragg grating is inscribed into an …

Interrogation techniques for π-phase-shifted fiber Bragg grating sensor: A review

S Deepa, B Das - Sensors and Actuators A: Physical, 2020 - Elsevier
Abstract π-phase-shifted fiber Bragg gratings (πFBG) have been extensively explored by
various research groups in the recent past as a high-resolution optical fiber sensor for both …

Phase-shifted fiber Bragg grating sensing network and its ultrasonic sensing application

R Wang, Q Wu, K Xiong, J Ji, H Zhang… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
Optical fiber sensors have been utilized as an alternative to piezoelectric sensors in
ultrasonic nondestructive testing due to their advantages such as a light weight, small size …

[HTML][HTML] Optical ultrasound sensors for photoacoustic imaging: a narrative review

B Fu, Y Cheng, C Shang, J Li, G Wang… - … Imaging in Medicine …, 2022 - ncbi.nlm.nih.gov
Optical ultrasound sensors have been increasingly employed in biomedical diagnosis and
photoacoustic imaging (PAI) due to high sensitivity and resolution. PAI could visualize the …