Overview of fiber optic sensor technologies for strain/temperature sensing applications in composite materials

M Ramakrishnan, G Rajan, Y Semenova, G Farrell - Sensors, 2016‏ - mdpi.com
This paper provides an overview of the different types of fiber optic sensors (FOS) that can
be used with composite materials and also their compatibility with and suitability for …

[HTML][HTML] 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 …

Advanced fiber-optic acoustic sensors

JGV Teixeira, IT Leite, S Silva, O Frazão - Photonic sensors, 2014‏ - Springer
Acoustic sensing is nowadays a very demanding field which plays an important role in
modern society, with applications spanning from structural health monitoring to medical …

Refractive index sensor based on lateral-offset of coreless silica interferometer

NF Baharin, AI Azmi, AS Abdullah, MYM Noor - Optics & Laser Technology, 2018‏ - Elsevier
A compact, cost-effective and high sensitivity fiber interferometer refractive index (RI) sensor
based on symmetrical offset coreless silica fiber (CSF) configuration is proposed, optimized …

Acoustic vibration sensor based on nonadiabatic<? A3B2 show [pmg: line-break justify=" yes"/]?> tapered fibers

B Xu, Y Li, M Sun, ZW Zhang, XY Dong, ZX Zhang… - Optics letters, 2012‏ - opg.optica.org
A simple and low-cost vibration sensor based on single-mode nonadiabatic fiber tapers is
proposed and demonstrated. The environmental vibrations can be detected by …

High-resolution sensors for mass deposition and low-frequency vibration based on phase-shifted Bragg gratings

L Macedo, E Pedruzzi, L Avellar… - IEEE Sensors …, 2022‏ - ieeexplore.ieee.org
This work presents high-resolution sensors based on phase-shifted Bragg gratings (PSBGs)
for low-frequency vibrations monitoring and mass deposition sensing. We analyzed the …

Comparison of metal-packaged and adhesive-packaged fiber Bragg grating sensors

Y Zhang, L Zhu, F Luo, M Dong, R Yang… - IEEE Sensors …, 2016‏ - ieeexplore.ieee.org
A feasible metallic packaging technique of fiber Bragg grating (FBG) sensors is developed
for measurement of strain, and it can be simply achieved via one-step ultrasonic welding …

D-shaped fiber Bragg grating ultrasonic hydrophone with enhanced sensitivity and bandwidth

C Li, X Peng, J Liu, C Wang, S Fan… - Journal of Lightwave …, 2019‏ - opg.optica.org
In this paper, we demonstrate a miniature flexible FBG-based underwater ultrasonic sensor
with enhanced pressure sensitivity and bandwidth using a side-polished configuration of∼ …

[PDF][PDF] Ultrasonic sensor employing two cascaded phase-shifted fiber Bragg gratings suitable for multiplexing

Q Wu, Y Okabe - Optics letters, 2012‏ - researchgate.net
An ultrasonic sensor based on two cascaded phase-shifted fiber Bragg gratings (PS-FBGs)
is proposed and demonstrated. In place of an external cavity laser, a broadband amplified …

In-line fiber microcantilever vibration sensor

P Lu, Y Xu, F Baset, X Bao, R Bhardwaj - Applied Physics Letters, 2013‏ - pubs.aip.org
We demonstrate a fiber-based vibration sensor that involves an enclosed suspended
microcantilever integrated with a readout fiber, providing in-line measurement of frequency …