Simultaneous measurement of strain and temperature using a reverse index fiber Bragg grating sensor

被引：19
|
作者：
Park, S. O. [1 ]
Jang, B. W. [1 ]
Lee, Y. G. [1 ]
Kim, C. G. [1 ]
Park, C. Y. [2 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Aerosp Engn, Taejon 305701, South Korea
[2] Agcy Def Dev, Taejon 300600, South Korea
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2010年 / 21卷 / 03期
关键词：
composites; fiber Bragg grating; simultaneous measurement; 2ND-ORDER DIFFRACTION; DISCRIMINATION;
D O I：
10.1088/0957-0233/21/3/035703
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The simultaneous measurement of strain and temperature is necessary for structural health monitoring of composite structures under diverse temperature environments. The FBG (fiber Bragg grating) sensor head is formed by two FBGs, normal and reverse index FBGs, fabricated by different procedures. The FBG sensor head offers the possibility of multiplexing and embedment, a straightforward measurement system and greater reliability due to the absence of a splicing operation. We evaluated the sensor head analytically and experimentally.
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页数：8
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