Temperature-insensitive tilt sensor with strain-chirped fiber Bragg gratings

被引：64
|
作者：
Dong, XY [1 ]
Zhan, CL [1 ]
Hu, K [1 ]
Shum, P [1 ]
Chan, CC [1 ]
机构：
[1] Nanyang Technol Univ, Network Technol Res Ctr, Singapore 637553, Singapore
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 11期
关键词：
Fiber Bragg gratings (FBGs); fiber-optic sensors; temperature-insensitive; tilt measurement;
D O I：
10.1109/LPT.2005.857978
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel tilt sensor with three fiber Bragg gratings (FBGs) has been demonstrated. It can detect the magnitude as well as the direction of the inclination from the horizontal direction by measuring the reflected optical powers of the FBGs, whose bandwidths vary with the inclination, directly. The experimental results show that it is insensitive to temperature. The measurement accuracy of +/- 0.13 degrees and resolution of 0.02 degrees have been achieved.
引用
收藏
页码：2394 / 2396
页数：3
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