Fibre Bragg grating based strain sensors: Review of technology and applications

CE Campanella, A Cuccovillo, C Campanella, A Yurt… - Sensors, 2018 - mdpi.com
Fibre Bragg grating (FBG) strain sensors are not only a very well-established research field,
but they are also acquiring a bigger market share due to their sensitivity and low costs. In …

A dual-parameter fiber sensor based on few-mode fiber and fiber Bragg grating for strain and temperature sensing

X Gao, T Ning, C Zhang, J Xu, J Zheng, H Lin, J Li… - Optics …, 2020 - Elsevier
An optical fiber temperature and strain fiber sensor based on the few-mode fiber (FMF) and
the fiber Bragg grating (FBG) is proposed and demonstrated. The sensor unit is fabricated by …

Overhead transmission line sag estimation using a simple optomechanical system with chirped fiber bragg gratings. Part 1: Preliminary measurements

M Wydra, P Kisala, D Harasim, P Kacejko - Sensors, 2018 - mdpi.com
A method of measuring the power line wire sag using optical sensors that are insensitive to
high electromagnetic fields was proposed. The advantage of this technique is that it is a non …

Statistical analysis of stress signals from bridge monitoring by FBG system

XW Ye, YH Su, PS Xi - Sensors, 2018 - mdpi.com
In this paper, a fiber Bragg grating (FBG)-based stress monitoring system instrumented on
an orthotropic steel deck arch bridge is demonstrated. The FBG sensors are installed at two …

Temperature-insensitive simultaneous rotation and displacement (bending) sensor based on tilted fiber Bragg grating

P Kisała, D Harasim, J Mroczka - Optics express, 2016 - opg.optica.org
In this paper, we present a method for the simultaneous measurement of rotation and
displacement or rotation and bending using single tilted fiber Bragg grating (TFBG). The …

Strain monitoring of a composite drag strut in aircraft landing gear by fiber bragg grating sensors

A Iadicicco, D Natale, P Di Palma, F Spinaci, A Apicella… - Sensors, 2019 - mdpi.com
This work reports on the use of Fiber Bragg Grating (FBG) sensors integrated with innovative
composite items of aircraft landing gear for strain/stress monitoring. Recently, the …

Multi-parameter dynamical measuring system using fibre Bragg grating sensors for industrial hydraulic piping

J Huang, DT Pham, C Ji, Z Wang, Z Zhou - Measurement, 2019 - Elsevier
Due to the risk of failure induced by vibration fatigue, performance testing and condition
monitoring are important to hydraulic piping systems in some critical industries such as …

Fiber directional position sensor based on multimode interference imaging and machine learning

K Sun, Z Ding, Z Zhang - Applied Optics, 2020 - opg.optica.org
A fiber directional position sensor based on multimode interference and image processing
by machine learning is presented. Upon single-mode injection, light in multimode fiber …

Bending classification from interference signals of a fiber optic sensor using shallow learning and convolutional neural networks

LM Valentín-Coronado, R Martínez-Manuel… - Pattern Recognition …, 2024 - Elsevier
Bending monitoring is critical in engineering applications, as it helps determine any
structural deformation caused by load action or fatigue effect. While strain gauges and …

[PDF][PDF] 面向传感应用的弱耦合偏芯少模光纤设计与分析

张金玉, 任芳, 张艺赢, 范潇杰, 郝锐, 牛晶晶… - Acta Optica …, 2020 - researching.cn
摘要利用有限元法研究了弱耦合偏芯少模光纤高阶模式的模场特性, 隐失场特性及弯曲损耗.
分析了光纤参数对相邻模式之间最小有效折射率差的影响, 并对偏芯光纤进行优化, 使其支持10 …