Temperature- and strain-insensitive torsion sensor based on phase-shifted ultra-long-period grating

被引：21
|
作者：
Li, X. L. [1 ]
Zhang, W. G. [1 ]
Ruan, J. [1 ]
Zhang, S. S. [1 ]
机构：
[1] Nankai Univ, Key Lab Opt Informat Sci & Technol, Minist Educ, Inst Modern Opt, Tianjin 300071, Peoples R China
来源：
ELECTRONICS LETTERS | 2012年 / 48卷 / 04期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1049/el.2011.3936
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 temperature- and strain-insensitive torsion sensor is proposed and demonstrated by utilising a phase-shifted ultra-long-period grating. Experimental results demonstrate that the separation of phase shift resonant peaks changes with the twist rate, but remains invariant with the temperature or strain changes. In addition, it was found that the influence of twisting to the fibre grating is non-uniform along the fibre axis.
引用
收藏
页码：235 / 236
页数：2
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