Abstract
We present an alumina-tip optical fiber Fabry-Pérot interferometric temperature sensor exhibiting high-temperature performance, rapid response, and high resolution. Fabricated by fusion splicing an alumina micro disk directly to a single-mode fiber, the sensor achieves robust, stable operation without complex fabrication processes or adhesives. Experimental evaluation confirms a measurement range extending to 1000°C, with sensitivity of 28.66 pm/°C, a resolution of 0.042°C, and a rapid response time of approximately 13 ms. Compared to state-of-the-art optical fiber FPI sensors, our alumina-tip sensor offers superior overall performance, effectively addressing critical demands for high-resolution, fast-response temperature measurement in extreme environments including aerospace, structural monitoring, metallurgy, and emerging flash-based thermal processing technologies.
Recommended Citation
R. Jie et al., "High-resolution, Fast-response Optical Fiber Temperature Sensor with a Large Measurement Range based on Fiber-tip Alumina Fabry-Pérot Interferometer," Journal of Lightwave Technology, Institute of Electrical and Electronics Engineers; Optica Publishing Group, Jan 2026.
The definitive version is available at https://doi.org/10.1109/JLT.2026.3661057
Department(s)
Electrical and Computer Engineering
Second Department
Economics
Third Department
Civil, Architectural and Environmental Engineering
Publication Status
Early Access
Keywords and Phrases
Fabry-Pérot interferometer; Fast response; Optical fiber sensing
International Standard Serial Number (ISSN)
1558-2213; 0733-8724
Document Type
Article - Journal
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2026 Institute of Electrical and Electronics Engineers; Optica Publishing Group, All rights reserved.
Publication Date
01 Jan 2026
Included in
Econometrics Commons, Electrical and Computer Engineering Commons, Geotechnical Engineering Commons, Macroeconomics Commons
