Abstract

A novel temperature demodulation method which eliminates the unstable of incident light on Raman distributed temperature sensors (RDTS) is presented. This method based on the incident light fluctuation compensation algorithm which optimizes the temperature measurement errors for RDTS. Besides, compared to convention temperature-distance display method, the temperature three-dimensional (3D) display technology can realize the fibre model 3D display. Experimental results indicate that the temperature measurement error is optimized by using the presented method. This paper provides a solution for accurate measurement of temperature as well as temperature 3D display along the sensing fibre for RDTS systems.

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