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.
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页数：4
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