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Strain-independent temperature measurement using a type-I and type-IIA optical fiber Bragg grating combination

Pal, Suchandan and Sun, Tong and Grattan, Kenneth and Wade, Scott A and Collins, Stephen F and Baxter, Gregory W and Dussardier, Bernard and Monnom, Gerard (2004) Strain-independent temperature measurement using a type-I and type-IIA optical fiber Bragg grating combination. Review of Scientific Instruments, 75 (5). pp. 1327-1331. ISSN 0034-6748

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Abstract

A simple and effective technique for strain-independent temperature measurement has been demonstrated using the peak wavelengths of both type-I and type-IIA fiber Bragg gratings written without hydrogen loading in the same fiber, this having been specially fabricated with a high concentration of germanium in the core composition. The device is also capable of monitoring strain and temperature simultaneously and can be used to measure temperature over the range of 25–300 °C with a strain range of 0–500 μ[variant_greek_epsilon], achieving a temperature-dependent sensitivity of 0.53 and 0.31 pm/°C for strain-independent temperature measurement with root mean square errors of 2.4 and 4.1 °C at 25 and 300 °C, respectively.

Item Type: Article
Uncontrolled Keywords: ResPubID: 7445, temperature measurement, physical measurement, fiber optics, optical fibers, optical materials
Subjects: FOR Classification > 0906 Electrical and Electronic Engineering
Faculty/School/Research Centre/Department > School of Engineering and Science
Depositing User: VUIR
Date Deposited: 04 Dec 2009 04:33
Last Modified: 11 Jul 2011 04:52
URI: http://vuir.vu.edu.au/id/eprint/2117
DOI: 10.1063/1.1711155
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Citations in Scopus: 17 - View on Scopus

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