Strain independence of the fluorescence intensity ratio temperature sensing technique in neodymium-doped optical fiber

Scott A. Wade; Cristina Vegara; Stephen F. Collins; Greg W. Baxter; Kenneth T. V. Grattan

doi:10.1117/12.397886

31 August 2000 Strain independence of the fluorescence intensity ratio temperature sensing technique in neodymium-doped optical fiber

Scott A. Wade, Cristina Vegara, Stephen F. Collins, Greg W. Baxter, Kenneth T. V. Grattan

Author Affiliations +

Proceedings Volume 4074, Applications of Optical Fiber Sensors; (2000) https://doi.org/10.1117/12.397886
Event: Symposium on Applied Photonics, 2000, Glasgow, United Kingdom

Abstract

The effect of strain on the fluorescence intensity ratio technique has been investigated using Nd3-doped fibre as the sensing material. Measurements of the fluorescence intensity ratio for applied strain values up to approximately 2000 show a relatively small sensitivity of (1.5 1.4) x lO %/is while the temperature sensitivity was found to be 1.56 %/°C. This implies a strain-temperature cross-sensitivity of(1.O 0.9) x 1O °C/p., ie. an applied strain of 1000 would induce errors ofonly 0.10 0.09 °C.

Citation Download Citation

Scott A. Wade, Cristina Vegara, Stephen F. Collins, Greg W. Baxter, and Kenneth T. V. Grattan "Strain independence of the fluorescence intensity ratio temperature sensing technique in neodymium-doped optical fiber", Proc. SPIE 4074, Applications of Optical Fiber Sensors, (31 August 2000); https://doi.org/10.1117/12.397886

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