Research of IR distributed optical fiber temperature sensor system and its characteristics

被引：0
|
作者：
Zhang, Buxin [1 ]
Chen, Yang [1 ]
Chen, Xiaozhu [1 ]
Zhang, Zaixuan [1 ]
Liu, Tianfu [1 ]
机构：
[1] China Inst of Metrology, Hangzhou, China
来源：
Guangdianzi Jiguang/Journal of Optoelectronics Laser | 1995年 / 6卷 / 04期
关键词：
Fiber optics - Infrared devices - Optical fibers - Sensors - Transducers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Using the temperature effect of Raman scattering in optical fiber and the optical time domain reflection (OTDR) technique, IR distributed optical fiber temperature sensor system (IR-DOFTSS) was developed. In this system optical fiber is a transmission medium but also a sensitive medium. The system can sample 200 points in 1km optical fiber and locate the temperature measuring points. The main characteristics of the system were analyzed and discussed. The experimental results are: measurement range 0-130°C, measurement accuracy ±2°C, measurement resolution 0.1°C, space resolution of optical fiber coil probe 4cm, free optical fiber <10m, measurement time <40s.
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页码：200 / 205
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