In-Fiber Gratings for Simultaneous Monitoring Temperature and Strain in Ultrahigh Temperature

Yang, H.Z. and Qiao, X.G. and Wang, Y.P. and Ali, M.M. and Lai, M.H. and Lim, Kok Sing and Ahmad, Harith (2015) In-Fiber Gratings for Simultaneous Monitoring Temperature and Strain in Ultrahigh Temperature. IEEE Photonics Technology Letters, 27 (1). pp. 58-61. ISSN 1041-1135

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Official URL: http://dx.doi.org/10.1109/LPT.2014.2361768

Abstract

In this letter, a pair of regenerated gratings with Bragg wavelengths of 1547 and 1304 nm in a single piece of single-mode fiber has been fabricated for simultaneous monitoring of temperature and strain in ultrahigh temperature environment. A 3\times 3 matrix is used to characterize the cross sensitivity of the proposed sensor in which the strain sensitivity varies with temperature change. The proposed structure exhibits the deviation of 28.3 \mu \varepsilon and 4.1 °C at the ranges of 0-1000 \mu \varepsilon and 25 °C-900 °C, respectively.

Item Type: Article
Uncontrolled Keywords: Regenerated grating; Fiber Bragg gratings; Ultra-high temperature; Temperature and strain sensing
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 26 Sep 2018 02:31
Last Modified: 11 Oct 2018 02:49
URI: http://eprints.um.edu.my/id/eprint/19412

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