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