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 …

Review of high temperature measurement technology based on sapphire optical fiber

B Wang, Y Niu, X Qin, Y Yin, M Ding - Measurement, 2021 - Elsevier
A review is presented on high temperature measurement technology based on sapphire
optical fiber. This review paper focuses on the sensing theory, sensor structures and sensing …

Progress toward sapphire optical fiber sensors for high-temperature applications

C Zhu, RE Gerald, J Huang - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
High-temperature measurements are of significant importance in various harsh-environment
engineering fields, such as fossil fuel production, and the metallurgical and aviation …

A review of optical fiber sensing technology based on thin film and Fabry–Perot cavity

C Ma, D Peng, X Bai, S Liu, L Luo - Coatings, 2023 - mdpi.com
Fiber sensors possess characteristics such as compact structure, simplicity, electromagnetic
interference resistance, and reusability, making them widely applicable in various practical …

Design, synthesis, and use of high temperature resistant aerogels exceeding 800 oC

P Hu, L Liu, M Zhao, J Wang, X Ma… - ES Materials & …, 2021 - espublisher.com
As a type of ultra-light and super thermal insulation solid state porous materials, aerogels
have been attracted increasing attention for aerospace, transportation, and building …

All-sapphire-based fiber-optic pressure sensor for high-temperature applications based on wet etching

Z Shao, Y Wu, S Wang, C Zhang, Z Sun, M Yan… - Optics …, 2021 - opg.optica.org
In this paper, we proposed an all-sapphire-based extrinsic Fabry-Perot interferometer (EFPI)
pressure sensor based on an optimized wet etching process, aiming to improve the quality …

High-Sensitivity Temperature Sensor Based on Fiber Fabry-Pérot Interferometer with UV Glue-Filled Hollow Capillary Fiber

Y Zheng, Y Chen, Q Zhang, Q Tang, Y Zhu, Y Yu, C Du… - Sensors, 2023 - mdpi.com
Optical fiber Fabry-Pérot (FP) interferometer sensors have long been the focus of
researchers in sensing applications because of their simple light path, low cost, compact …

Unsupervised representation learning-based spectrum reconstruction for demodulation of Fabry–Pérot interferometer sensor

S Ren, S Chen, H Xu, X Hou, Q Yang… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This article presents a novel unsupervised representation learning-based demodulation
framework for Fabry–Perot interferometer (FPI) sensors, which is a straightforward and …

Ultra-high sensitivity microwave-photonic sapphire fiber Fabry-Perot interferometry based on the Vernier effect

R Li, X Liu, Y Chen, S Lv, X Lei, P Zhang, J Zhang - Optics Express, 2023 - opg.optica.org
The wavelength of microwave is longer than that of lightwave, causing the interferometric
optical path difference induced by the measurand changes to be relatively smaller than that …

Fiber Bragg grating wavelength drift in long-term high temperature annealing

D Grobnic, C Hnatovsky, S Dedyulin, RB Walker… - Sensors, 2021 - mdpi.com
High-temperature-resistant fiber Bragg gratings (FBGs) are the main competitors to
thermocouples as sensors in applications for high temperature environments defined as …