Bragg grating performance in Er–Sn-doped germanosilicate fiber for simultaneous measurement of wide range temperature (to 500 °C) and strain

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Pal, Suchandan, Sun, Tong, Grattan, Kenneth, Wade, Scott A, Collins, Stephen F, Baxter, Gregory W, Dussardier, Bernard and Monnom, Gerard (2003) Bragg grating performance in Er–Sn-doped germanosilicate fiber for simultaneous measurement of wide range temperature (to 500 °C) and strain. Review of scientific instruments, 74 (11). pp. 4858-4862. ISSN 0034-6748

Abstract

A fiber-optic sensing scheme for the simultaneous measurement of strain and a wide range of temperatures has been investigated by combining the properties of the fiber Bragg grating (FBG) and the fluorescence from a rare-earth-doped photosensitive fiber. The temperature-dependent fluorescence peak power ratio of the two peaks occurring around 1535 nm and 1552 nm from the amplified spontaneous emission due to the [sup 4]I[sub 13/2]↔[sup 4]I[sub 15/2] transitions in Er[sup 3+]-doped tin–germanosilicate fiber, with 980 nm pumping, and the dual functionality of the FBG were exploited in this scheme. The sensor is based on a single FBG written in a small length (∼10 cm) of the above fiber, which can be used for the simultaneous measurement of strain and temperature over ranges of 0–1150 μ[variant_greek_epsilon] and 22–500 °C, with root-mean-square errors of 36 μ[variant_greek_epsilon] and 6 °C, respectively

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/2132
DOI https://doi.org/10.1063/1.1619553
Official URL http://rsi.aip.org/resource/1/rsinak/v74/i11/p4858...
Subjects Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Keywords ResPubID: 5479, fiber optics, fluorescence, fiber Bragg gratings
Citations in Scopus 13 - View on Scopus
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