Fiber Bragg grating sensors for monitoring of physical parameters: A comprehensive review

JK Sahota, N Gupta, D Dhawan - Optical Engineering, 2020 - spiedigitallibrary.org
Fiber Bragg grating has embraced the area of fiber optics since the early days of its
discovery, and most fiber optic sensor systems today make use of fiber Bragg grating …

High-efficiency FBG array sensor interrogation system via a neural network working with sparse data

S Ren, S Chen, J Yang, J Wang, Q Yang, C Xue… - Optics …, 2023 - opg.optica.org
FBG array sensors have been widely used in the multi-point monitoring of large structures
due to their excellent optical multiplexing capability. This paper proposes a cost-effective …

SOI-based multi-channel AWG with fiber Bragg grating sensing interrogation system

S Weng, P Yuan, W Zhuang, D Zhang, F Luo, L Zhu - Photonics, 2021 - mdpi.com
For the development of minimized and high-rate photonic-integrated fiber Bragg grating
interrogation (FBGI) systems, arrayed waveguide grating (AWG) has been widely used as …

Robust classification of partial discharges in transformer insulation based on acoustic emissions detected using fiber Bragg gratings

S Kanakambaran, R Sarathi… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
Incipient discharges formed due to corona activity, surface discharge, and particle
movement in transformer insulation are identified based on acoustic emission signals …

Fiber Bragg grating dynamic strain sensor using an adaptive reflective semiconductor optical amplifier source

H Wei, C Tao, Y Zhu, S Krishnaswamy - Applied optics, 2016 - opg.optica.org
In this paper, a reflective semiconductor optical amplifier (RSOA) is configured to
demodulate dynamic spectral shifts of a fiber Bragg grating (FBG) dynamic strain sensor …

SOI-based 15-channel arrayed waveguide grating design for fiber Bragg grating interrogator

S Li, P Yuan, T Li, K Li, L Zhu - Photonics and nanostructures-fundamentals …, 2023 - Elsevier
Arrayed waveguide grating (AWG) is the core component of the photonic integrated
interrogation system. Its spectral characteristics will affect the wavelength interrogation …

Identification and localization of partial discharge in transformer insulation adopting cross recurrence plot analysis of acoustic signals detected using fiber Bragg …

S Kanakambaran, R Sarathi… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we propose the use of a Cross Recurrence (CR) Plot Analysis based
technique applied on signals captured using fiber Bragg grating sensors to improve the …

Detection of ultrasonic stress waves in structures using 3D shaped optic fiber based on a Mach–Zehnder interferometer

C Lan, W Zhou, Y Xie - Sensors, 2018 - mdpi.com
This work proposes a 3D shaped optic fiber sensor for ultrasonic stress waves detection
based on the principle of a Mach–Zehnder interferometer. This sensor can be used to …

UW imaging of seismic-physical-models in air using fiber-optic Fabry-Perot interferometer

Q Rong, Y Hao, R Zhou, X Yin, Z Shao, L Liang, X Qiao - Sensors, 2017 - mdpi.com
A fiber-optic Fabry-Perot interferometer (FPI) has been proposed and demonstrated for the
ultrasound wave (UW) imaging of seismic-physical models. The sensor probe comprises a …

Feature-guided wave-based health monitoring of bent plates using fiber Bragg gratings

P Ray, P Rajagopal, B Srinivasan… - Journal of intelligent …, 2017 - journals.sagepub.com
Harnessing of ultrasonic guided waves confined in local features such as bends and welds,
known as feature-guided waves, has emerged as a promising technique for non-destructive …