Simultaneous measurement of strain and temperature based on fiber sensor with Vernier effect

L Zhao, S Hao, Y Chen, E Zhao, C Xing, J Fan… - Optics & Laser …, 2023 - Elsevier
A fiber sensor based on Vernier effect for simultaneous temperature and strain
measurement is proposed and demonstrated, which consists of a Mach-Zehnder …

Machine learning approach for simultaneous measurement of strain and temperature using FBG sensor

K Dey, N Vangety, S Roy - Sensors and Actuators A: Physical, 2022 - Elsevier
In this paper, we have demonstrated a new and efficacious approach to integrating the fiber
Bragg grating (FBG) by employing an Artificial Neural network (ANN) technique for …

A miniature ultra long period fiber grating for simultaneous measurement of axial strain and temperature

S Zhang, S Deng, T Geng, C Sun, H Niu, X Li… - Optics & Laser …, 2020 - Elsevier
Abstract A SMF-MMF-SMF-ultra long period fiber grating (SMS-ULPFG) sensor is proposed
for the simultaneous measurement of axial strain and temperature. The all-optical fiber …

High-sensitivity strain and temperature simultaneous measurement sensor based on multimode fiber chirped long-period grating

S Zhang, T Geng, S Wang, H Niu, X Li… - IEEE sensors …, 2020 - ieeexplore.ieee.org
A multimode fiber chirped long-period grating (MC-LPG) is proposed and studied as a
sensor for simultaneous measurement of strain and temperature. This sensor consists of …

Demonstration of a fast-training feed-forward machine learning algorithm for studying key optical properties of FBG and predicting precisely the output spectrum

K Dey, V Nikhil, PR Chaudhuri, S Roy - Optical and Quantum Electronics, 2023 - Springer
In this article, we propose and demonstrate a generalized machine learning (ML) approach
to analyse the various optical properties of the Fiber Bragg grating (FBGs), namely effective …

Simultaneous sensing of strain and temperature based on the inline-MZI embedded point-shaped taper structure with low crosstalk

XP Han, YD Zhang, W Hasi, SY Lin, F Wang, Y Wei… - Optics …, 2023 - opg.optica.org
An embedded spherical dot taper structure (EDT) based on the MZI principle is proposed in
this paper, which is mainly fabricated by using two special arc discharges in the preparation …

Smart carbon-fiber reinforced polymer optical fiber Bragg grating for monitoring fault detection in bearing

J de Pelegrin, UJ Dreyer, KM Sousa… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
This article describes the development of a fiber Bragg grating (FBG) sensor encapsulated
in carbon-fiber reinforced polymer to detect faults in rotating electrical machine bearings …

A differential intensity-modulated refractive index sensor using a droplet-like fiber cascaded with FBGs

H Wang, J Luo, W Dai, S Chen, H Fu - Journal of Lightwave …, 2022 - opg.optica.org
An intensity-modulated refractive index (RI) sensor based on a bending single-mode fiber
(BSF) cascaded with fiber Bragg gratings (FBGs) is designed and experimentally …

Ultrasensitive parallel double-FPIs sensor based on Vernier effect and Type II fiber Bragg grating for simultaneous measurement of high temperature and strain

X Liu, P Nan, J Zhu, Z Li, J Dan, W Dang, KS Lim… - Optics …, 2022 - Elsevier
In this work, we demonstrated an ultrasensitive parallel double Fabry–Perot interferometers
(FPIs) sensor based on Vernier effect and Type II fiber Bragg grating (FBG) for simultaneous …

Strain and Temperature Sensing Based on Different Temperature Coefficients fs-FBG Arrays for Intelligent Buoyancy Materials

M Tian, M Lou, W Zhang, W Huang, K Yan, B Liao… - Sensors, 2024 - mdpi.com
The temperature and strain fields monitoring during the preparation process of buoyancy
materials, as well as the health status after molding, are important for mastering the …