Fiber Bragg grating sensors toward structural health monitoring in composite materials: Challenges and solutions

D Kinet, P Mégret, KW Goossen, L Qiu, D Heider… - Sensors, 2014 - mdpi.com
Nowadays, smart composite materials embed miniaturized sensors for structural health
monitoring (SHM) in order to mitigate the risk of failure due to an overload or to unwanted …

Polarization-assisted fiber Bragg grating sensors: Tutorial and review

C Caucheteur, T Guo, J Albert - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
Fiber Bragg gratings (FBGs) are inherently sensitive to temperature, axial strain, and
pressure, which can be easily measured by a shift of the Bragg wavelength in their …

High resolution interrogation of tilted fiber grating SPR sensors from polarization properties measurement

C Caucheteur, Y Shevchenko, LY Shao, M Wuilpart… - Optics express, 2011 - opg.optica.org
The generation of surface plasmon resonances (SPRs) in gold-coated weakly tilted fiber
Bragg gratings (TFBGs) strongly depends on the state of polarization of the core guided …

Polarization effects in polymer FBGs: Study and use for transverse force sensing

X Hu, D Saez-Rodriguez, C Marques, O Bang… - Optics …, 2015 - opg.optica.org
Bragg gratings photo-inscribed in polymer optical fibers (POFs) are more sensitive to
temperature and pressure than their silica counterparts, because of their larger thermo-optic …

[图书][B] Structural health monitoring of composite structures using fiber optic methods

G Rajan, BG Prusty - 2016 - taylorfrancis.com
This highly comprehensive, introductory book explains the basics of structural health
monitoring aspects of composite structures. This book serve as an all-in-one reference book …

Highly reflective Bragg gratings in slightly etched step-index polymer optical fiber

X Hu, CFJ Pun, HY Tam, P Mégret, C Caucheteur - Optics express, 2014 - opg.optica.org
During the past few years, a strong progress has been made in the photo-writing of fiber
Bragg gratings (FBGs) in polymer optical fibers (POFs), animated by the constant wish to …

[HTML][HTML] Residual strain monitoring of out-of-autoclave cured parts by use of polarization dependent loss measurements in embedded optical fiber Bragg gratings

N Lammens, D Kinet, K Chah, G Luyckx… - Composites Part A …, 2013 - Elsevier
This work presents a novel technique known as polarization dependent loss (PDL) towards
the accurate detection of small transverse strains using optical fiber Bragg gratings. The …

Design of ultrahigh birefringent stress-induced polarization-maintaining fiber with hole-assistance

M Li, X Li, H Li - Optical Fiber Technology, 2021 - Elsevier
We present a stress-induced ultrahigh-birefringence fine-diameter polarization-maintaining
fiber (PMF). The proposed PMF is composed of an elliptical-core, with four elliptical side …

Fiber optic transverse load sensor based on polarization properties of π-phase-shifted fiber Bragg grating

Y Wang, N Li, X Huang, M Wang - Optics Communications, 2015 - Elsevier
In this paper, a new technique exploiting the polarization properties of π-phase-shifted
Bragg grating (πFBG) for transverse load sensing is firstly proposed and experimentally …

Non-uniform strain field reconstruction of FBG using an adaptive Nelder–Mead algorithm

Y Bai, J Zeng, J Huang, Z Cheng, Q Zhao… - Optics Communications, 2021 - Elsevier
This paper presents an adaptive Nelder–Mead algorithm to inversely reconstruct the non-
uniform strain field from the reflected intensity spectrum of the fiber grating sensor. In this …