Optical fiber sensors for high-temperature monitoring: a review

S Ma, Y Xu, Y Pang, X Zhao, Y Li, Z Qin, Z Liu, P Lu… - Sensors, 2022 - mdpi.com
High-temperature measurements above 1000° C are critical in harsh environments such as
aerospace, metallurgy, fossil fuel, and power production. Fiber-optic high-temperature …

Optical fiber sensors in extreme temperature and radiation environments: A review

Y Deng, J Jiang - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
This paper presents a comprehensive review of optical fiber sensors (OFSs), including FBG,
distributed optical fiber sensor and Fabry-Perot interferometer, and their applications within …

Improving OFDR distributed fiber sensing by fibers with enhanced rayleigh backscattering and image processing

Q Wang, K Zhao, M Badar, X Yi, P Lu… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
This article investigates using optical fibers with enhanced backscattering profiles to improve
distributed fiber sensor performance and reduce instrumentation costs. Using a femtosecond …

Narrow-linewidth Er-doped fiber lasers with random distributed feedback provided by artificial Rayleigh scattering

MI Skvortsov, AA Wolf, AV Dostovalov… - Journal of Lightwave …, 2022 - opg.optica.org
A compact random fiber laser based on a short artificial Rayleigh reflector and heavily-
doped Er fibers (custom-made and commercial as a reference) has been proposed …

Femtosecond laser fabrication of nanograting-based distributed fiber sensors for extreme environmental applications

M Wang, K Zhao, J Wu, Y Li, Y Yang… - … Journal of Extreme …, 2021 - iopscience.iop.org
The femtosecond laser has emerged as a powerful tool for micro-and nanoscale device
fabrication. Through nonlinear ionization processes, nanometer-sized material modifications …

Continuous and discrete-point Rayleigh reflectors inscribed by femtosecond pulses in singlemode and multimode fibers

A Dostovalov, A Wolf, Z Munkueva, M Skvortsov… - Optics & Laser …, 2023 - Elsevier
In this paper we present the results on structures inscription to enhance Rayleigh
backscattering up to+ 60 dB in the wide spectral range in singlemode and multimode fibers …

Distributed fiber sensors with high spatial resolution in extreme radiation environments in nuclear reactor cores

J Wu, M Wang, K Zhao, S Huang… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
This paper is a comprehensive experimental report on the neutron radiation effects of
distributed optical fiber sensors with enhanced Rayleigh scattering profiles in an in-pile …

Performance study of a zirconia-doped fiber for distributed temperature sensing by OFDR at 800° C

P Bulot, R Bernard, M Cieslikiewicz-Bouet, G Laffont… - Sensors, 2021 - mdpi.com
Optical Frequency Domain Reflectometry (OFDR) is used to make temperature distributed
sensing measurements along a fiber by exploiting Rayleigh backscattering. This technique …

High-density weak in-fiber micro-cavity array for distributed high-temperature sensing with millimeter spatial resolution

B Du, J He, B Xu, X Xu, C Fu, P Li… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
High-spatial-resolution distributed sensing at high temperature is crucial in many industrial
areas, such as aero-engines, nuclear power, furnaces, and fuel cells. Here, we propose and …

High spatial resolution temperature profile measurements of solid-oxide fuel cells

MAS Zaghloul, JH Mason, M Wang, M Buric, Z Peng… - Applied Energy, 2021 - Elsevier
Temperature gradients resulting from local electrochemical reactions, current distribution
and geometry of gas flow channels in solid oxide fuel cells (SOFCs) create thermal stresses …