Recent advances in Brillouin optical time domain reflectometry

Q Bai, Q Wang, D Wang, Y Wang, Y Gao, H Zhang… - Sensors, 2019 - mdpi.com
In the past two decades Brillouin-based sensors have emerged as a newly-developed
optical fiber sensing technology for distributed temperature and strain measurements …

Smart railway sleepers-a review of recent developments, challenges, and future prospects

G Jing, M Siahkouhi, JR Edwards, MS Dersch… - … and Building Materials, 2021 - Elsevier
To date, the application of self-sensing or other structural health monitoring (SHM)
technologies in railway sleepers is limited. Development and deployment of smart sleepers …

[图书][B] An introduction to distributed optical fibre sensors

AH Hartog - 2017 - taylorfrancis.com
This book explains physical principles, unique benefits, broad categories, implementation
aspects, and performance criteria of distributed optical fiber sensors (DOFS). For each kind …

Using global existing fiber networks for environmental sensing

E Ip, F Ravet, H Martins, MF Huang… - Proceedings of the …, 2022 - ieeexplore.ieee.org
We review recent advances in distributed fiber optic sensing (DFOS) and their applications.
The scattering mechanisms in glass, which are exploited for reflectometry-based DFOS, are …

Distributed fiber sensor network using telecom cables as sensing media: technology advancements and applications

E Ip, J Fang, Y Li, Q Wang, MF Huang… - Journal of Optical …, 2022 - opg.optica.org
Distributed fiber optic sensing (DFOS) is a rapidly evolving field that allows the existing
optical fiber infrastructure for telecommunications to be reused for wide-area sensing. Using …

Slope-assisted BOTDA based on vector SBS and frequency-agile technique for wide-strain-range dynamic measurements

D Zhou, Y Dong, B Wang, T Jiang, D Ba, P Xu… - Optics express, 2017 - opg.optica.org
We present a slope-assisted BOTDA system based on the vector stimulated Brillouin
scattering (SBS) and frequency-agile technique (FAT) for the wide-strain-range dynamic …

Simultaneous measurement of refractive index, strain and temperature using a tapered structure based on SMF

N Zhang, W Xu, S You, C Yu, C Yu, B Dong, K Li - Optics Communications, 2018 - Elsevier
A novel fiber-optic sensing structure based on miniaturized modal interferometer (MMI) for
simultaneous refractive index (RI), strain and temperature measurement is proposed. It is …

Cascaded-cavity Fabry–Perot interferometer for simultaneous measurement of temperature and strain with cross-sensitivity compensation

J Tian, Y Jiao, S Ji, X Dong, Y Yao - Optics Communications, 2018 - Elsevier
We propose and demonstrate a fiber sensor for simultaneous temperature and strain
measurements. The proposed sensor is implemented by a cascaded-cavity Fabry–Perot …

Probing nanostrain via a mechanically designed optical fiber interferometer

Y Du, Y Chen, Y Zhuang, C Zhu… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
We propose an extrinsic Fabry-Perot interferometer (EFPI)-based optical fiber sensor with a
novel mechanical design for nano-scale strain measurement. In our proposed sensor, a …

Orbital angular momentum based sensing and their applications: A review

Y Weng, Z Pan - Journal of Lightwave Technology, 2022 - ieeexplore.ieee.org
This paper provides a technical review regarding the latest progress on orbital angular
momentum (OAM) based sensing technologies in many diverse applications. OAM has a …