Temperature Calibration of Optical Fiber attenuation Differences induced Measurement error of Raman Distributed Temperature Sensor

被引：0

作者：

Tang, Yuquan ^{[1
]}

Sun, Miao ^{[2
]}

Li, Jun ^{[1
]}

Yang, Shuang ^{[1
]}

Culshaw, Brian ^{[3
]}

Dong, Fengzhong ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Peoples R China

[2] Univ Sci & Technol China, Coll Environm Sci & Optoelect Technol, Hefei 230026, Peoples R China

[3] Univ Strathclyde, Dept Elect & Elect Engn, Glasgow G1 1XW, Lanark, Scotland

来源：

24TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS | 2015年 / 9634卷

关键词：

Distributed temperature sensor; Raman scattering; Temperature Calibration; Additional attenuation of fiber; AUTO-CORRECTION METHOD; SCATTERING;

D O I：

10.1117/12.2194687

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页数：4

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