Application of a Temperature-Compensating FBG Sensor to Strain Measurement

被引：5
|
作者：
Jung, Dal-Woo [1 ]
Kwon, Il-Bum [2 ]
Choi, Nak-Sam [3 ]
机构：
[1] Hanyang Univ, Grad Sch, Dept Mech Engn, Seoul 133791, South Korea
[2] Korea Res Inst Standards & Sci, Taejon 305609, South Korea
[3] Hanyang Univ, Dept Mech Engn, Ansan 426791, South Korea
来源：
ADVANCED MATERIALS AND PROCESSING | 2007年 / 26-28卷
关键词：
Temperature-compensating double FBG sensor; Mechanical strain; Thermal strain; Electrical resistance strain gage;
D O I：
10.4028/www.scientific.net/AMR.26-28.1089
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A temperature-compensating fiber Bragg grating(FBG) sensor having two different FBGs in one fiber line was applied to the real time measurement of mechanical normal strain in structures. Measurement of mechanical strains of the aluminum beam surface by the double FBG sensor was performed under various thermal conditions, which was compared with results of electrical resistance strain gage. The FBG sensor fabricated in this study could detect accurately values of mechanical strains without containing any thermal strain component.
引用
收藏
页码：1089 / +
页数：5
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