Simultaneous measurement of temperature and strain by combining a fiber Bragg grating and the pigtail fiber covered with epoxy resin

被引：7
|
作者：
Wu, Xiaowei [1 ]
Xue, Hongchao [1 ]
Meng, Hongyun [1 ]
Shen, Wei [1 ]
Wang, Wei [1 ]
Tan, Chunhua [1 ]
Huang, Xuguang [1 ]
机构：
[1] S China Normal Univ, Key Lab Photon Informat Technol, Guangdong Higher Educ Inst, Sch Informat & Optoelect Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2011年 / 82卷 / 06期
关键词：
REFRACTIVE-INDEX; SENSORS; DISCRIMINATION; DEMODULATION;
D O I：
10.1063/1.3600902
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A fiber sensor for simultaneous measurement of temperature and strain based on a fiber Bragg grating (FBG) with the pigtail fiber covered with epoxy resin is presented. The side mode suppression ratio of the FBG will vary with the temperature due to the Fresnel reflection from the interface between the pigtail fiber and the epoxy resin whose refractive index is sensitive to the temperature. The sensor is also capable of simultaneous measurement temperature and strain by combining the Bragg wavelength shift characteristics as the temperature and strain of the FBG. (C) 2011 American Institute of Physics. [doi:10.1063/1.3600902]
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收藏
页数：4
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