A quasi-distributed temperature sensor interrogated by optical frequency-domain reflectometer

被引：26
|
作者：
Yueksel, Kivilcim [1 ]
Megret, Patrice [1 ]
Wuilpart, Marc [1 ]
机构：
[1] Fac Polytech Mons, U MONS, B-7000 Mons, Belgium
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2011年 / 22卷 / 11期
关键词：
fiber optic sensors; fiber Bragg gratings; fiber measurements;
D O I：
10.1088/0957-0233/22/11/115204
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents the analysis of a quasi-distributed sensor based on the concatenation of identical low-reflective fiber Bragg gratings. We experimentally demonstrated a temperature sensor using ten cascaded gratings which are interrogated by an optical frequency domain reflectometer. Repeatability measurements highlighted a standard deviation on the measured temperature smaller than 1.5 degrees C. A complete demonstration of mathematical formulas which are used to obtain the temperature information is also provided.
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页数：9
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