Temperature calibration of optical fiber attenuation differences induced measurement error of Raman distributed temperature sensor

Yuquan Tang; Miao Sun; Jun Li; Shuang Yang; Brian Culshaw; Fengzhong Dong

doi:10.1117/12.2194687

28 September 2015 Temperature calibration of optical fiber attenuation differences induced measurement error of Raman distributed temperature sensor

Yuquan Tang, Miao Sun, Jun Li, Shuang Yang, Brian Culshaw, Fengzhong Dong

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96344R (2015) https://doi.org/10.1117/12.2194687
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

The effect of optical fiber attenuation differences (AD) induced temperature error of Raman distributed temperature sensor (RDTS) is analyzed using the temperature demodulation algorithm. First of all, a novel method to address the effects caused by the AD between Stokes and anti-Stokes light is proposed. Furthermore, the temperature measurement error caused by additional AD of fiber temperature is also reduced by using a formula obtained by experimental data. The experimental results demonstrate that the RDTS system can measure different temperature zones more accurately.

Citation Download Citation

Yuquan Tang, Miao Sun, Jun Li, Shuang Yang, Brian Culshaw, and Fengzhong Dong "Temperature calibration of optical fiber attenuation differences induced measurement error of Raman distributed temperature sensor", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96344R (28 September 2015); https://doi.org/10.1117/12.2194687

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