The application of fiber Bragg grating sensor to high precision temperature measurement [基于光纤光栅的高精度测温传感器研究]

Li, Kuo, Zhou, Zhen-an, & Liu, Ai-chun (2008) The application of fiber Bragg grating sensor to high precision temperature measurement [基于光纤光栅的高精度测温传感器研究]. Progressing in Geophysics [地球物理学进展], 23(4), pp. 1322-1325.

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Abstract

Basing on the character that Fiber Bragg Grating (FBG) is sensitive to both temperature and strain, by using Al and Fe-Ni alloy’s bimetal structure, we successfully design and manufacture a high accuracy FBG temperature sensor for earthquake premonition. Furthermore, we analyze the accuracy of the FBG sensors with enhanced sensitivity for the first time, and get its accuracy is up to ±0.05℃ with highest resolution ever in all FBG temperature sensors (0.0014℃/pm). This work experimentally proves the feasibility of using FBG in the earthquake premonition monitoring, and builds the foundation for the application of optic technology in earthquake premonition monitoring.

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ID Code: 58308
Item Type: Journal Article
Refereed: Yes
Additional Information: Authors' names in Chinese: 李阔;周振安;刘爱春
Keywords: sensor, FiberBraggGrating, highaccuracy, groundtemperature
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2008 Progressing in Geophysics
Deposited On: 19 Mar 2013 23:09
Last Modified: 25 Jul 2013 01:46

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