A review of using few-mode fibers for optical sensing

I Ashry, Y Mao, A Trichili, B Wang, TK Ng… - IEEE …, 2020 - ieeexplore.ieee.org
The development of few-mode fiber (FMF) has found numerous interesting applications in
optical sensing. Given the remarkable capabilities of FMF, optical sensors of novel …

Simultaneous strain and temperature discrimination in 18650 Li-ion batteries using polarization-maintaining fiber Bragg gratings

L Matuck, JL Pinto, C Marques, M Nascimento - Batteries, 2022 - mdpi.com
In this work, a fiber Bragg grating (FBG) sensor network inscribed in a polarization-
maintaining (PM) fiber is proposed to proceed with a multipoint simultaneous temperature …

Magnetic field measurement based on a fiber laser oscillation circuit merged with a polarization-maintaining fiber Sagnac interference structure

J Tian, Y Zuo, M Hou, Y Jiang - Optics Express, 2021 - opg.optica.org
A compact optical magnetic field sensor based on a fiber laser oscillator circuit merged with
a Sagnac loop that contains a polarization-maintaining fiber (PMF) and a magnetostrictive …

Bragg gratings in two-core rectangular fiber for discrimination of curvature, strain, and temperature measurements

L Htein, DS Gunawardena, CY Leong… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We report, for the first time, the development of a rectangular fiber with two cores consisting
of different refractive indices for the discrimination of temperature effects during strain or …

Temperature drift characteristics analysis of GMM-FBG current sensor based on finite-element multi-physics simulations

Y Li, WF Sun, W Zhang - Applied Sciences, 2023 - mdpi.com
A composite current sensor is designed with soft ferrite as the magnetizer in combination
with giant magnetostrictive material (GMM) and fiber Bragg grating (FBG). The temperature …

Femtosecond laser-inscribed polarization-maintaining fiber Bragg grating using line-by-line technique for generating wavelength-switchable erbium-doped fiber …

W He, J Hu, S Li, H Liu, S Ma, L Zhu - Optical Fiber Technology, 2023 - Elsevier
In this study, a polarization-maintaining fiber Bragg grating (PM-FBG) was inscribed by a
femtosecond laser using a line-by-line method through fiber coating and used as a …

Air Gap Fiber Bragg Grating for Simultaneous Strain and Temperature Measurement

F Yang, K Zhu, X Yu, T Liu, K Lu, Z Wang, Y Li - Micromachines, 2024 - mdpi.com
We propose an air gap fiber Bragg grating (g-FBG) sensor that can measure strain and
temperature simultaneously. The sensor is made by aligning two fiber Bragg gratings …

Joint-peaks demodulation method based on multireflection peaks of a few-mode fiber Bragg grating for reducing sensing error

K Yao, Q Lin, Z Jiang, N Zhao, B Tian, GD Peng - Optics Express, 2021 - opg.optica.org
A few-mode fiber Bragg grating (FM-FBG) inscribed in a few-mode fiber (FMF) can maintain
multiple reflection peaks due to the stable multiple modes in FMF. This paper studies the …

FBG Sensor Design and Analysis for Early Detection of Cancer

SC Sharan, HK Dhruva, TM Anitha… - … on Computing for …, 2024 - ieeexplore.ieee.org
Several of the current procedures for detecting cancer, such as mammography, ultrasound,
MRI, and biopsy, are either expensive, painful, intrusive, or have limitations in accuracy and …

Dual parameter discrimination using PANDA-FBG sensors at cylindrical Li-ion battery

LC Matuck, JL Pinto, CAF Marques… - Optical Fiber …, 2022 - opg.optica.org
Dual parameter discrimination using PANDA-FBG sensors at cylindrical Li-ion battery Page 1
Dual parameter discrimination using PANDA-FBG sensors at cylindrical Li-ion battery Lucca C …