Temperature and Strain Measurement Using a Combined Fiber Bragg Grating and Fluoresence Intensity Ratio in Er3+-Doped Fiber

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Trpkovski, Steven, Wade, Scott A, Collins, Stephen F, Baxter, Gregory W and Farrell, Peter M (2002) Temperature and Strain Measurement Using a Combined Fiber Bragg Grating and Fluoresence Intensity Ratio in Er3+-Doped Fiber. In: Technical Digest 15th International Optical Fiber Sensors Conference. IEEE, Piscataway, New Jersey, USA, pp. 107-110.

Abstract

Overcoming the temperature cross sensitivity inherent in optical fiber strain sensors is currently of much interest. Many groups are investigating this cross-sensitivity in Bragg grating (FBG) sensors by seeking ways to have both parameters determined simultaneously from two separate sensor elements having different temperature and strain responsivities. It is therefore of interest to take advantage of the strain insensitivity of the fluorescence intensity ratio (FIR) technique by splicing a length of rare-earth-doped fiber to a FBG sensor. This paper reports initial measurements of temperature and strain using the proposed sensing scheme, in erbium-doped fibre.

Additional Information

ResPubID: 4988
Item type Book Section
URI https://vuir.vu.edu.au/id/eprint/444
Official URL http://dx.doi.org/10.1109/OFS.2002.1000513
ISBN 0780372891
Subjects Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Keywords erbium, fibre optic sensors, fluorescence, sensitivity, spectral methods of temperature measurement, strain measurement
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