Comparative Experimental Study of a High-Temperature Raman-Based Distributed Optical Fiber Sensor with Different Special Fibers

被引:40
作者
Laarossi, Ismail [1 ]
Angeles Quintela-Incera, Maria [1 ,2 ,3 ]
Miguel Lopez-Higuera, Jose [1 ,2 ,3 ]
机构
[1] Univ Cantabria, Photon Engn Grp, E-39005 Santander, Spain
[2] Inst Salud Carlos III, CIBER Bbn, Madrid 28029, Spain
[3] Inst Invest Sanitaria Valdecilla IDIVAL, Santander 39011, Spain
来源
SENSORS | 2019年 / 19卷 / 03期
关键词
distributed sensor; Raman DTS; Optical-Time-Domain-Reflectometry; temperature sensor; fiber optics sensors; high temperature; CALIBRATION;
D O I
10.3390/s19030574
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
An experimental study of a high temperature distributed optical fiber sensor based on Raman Optical-Time-Domain-Reflectometry (ROTDR) (up to 450 degrees C) and optical fibers with different coatings (polyimide/carbon, copper, aluminum and gold) is presented. Analysis of the distributed temperature sensor (DTS) measurements determined the most appropriate optical fiber to be used in high temperature industrial environment over long periods of time. To demonstrate the feasibility of this DTS for an industrial application, an optical cable was designed with the appropriate optical fiber and it was hermetically sealed to provide the required mechanical resistance and isolate the fiber from environmental degradations. This cable was used to measure temperature up to 360 degrees C of an industrial furnace during 7 days.
引用
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页数:13
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