Simultaneous measurement of axial strain and temperature based on twisted fiber structure

被引：0
|
作者：
姜昕越 [1 ]
鲁平 [1 ]
孙远 [1 ]
廖浩 [1 ]
刘德明 [1 ]
张江山 [2 ]
廖辉 [3 ]
机构：
[1] School of Optical and Electronic Information, National Engineering Laboratory for Next Generation Internet Access System, Huazhong University of Science and Technology
[2] Department of Electronics and Information Engineering, Huazhong University of Science and Technology
来源：
Chinese Optics Letters | 2018年 / 16卷 / 04期
基金：
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词：
length; Simultaneous measurement of axial strain and temperature based on twisted fiber structure;
D O I：
暂无
中图分类号：
TN253 [光纤元件];
学科分类号：
0702 ; 070207 ;
摘要：
In this Letter, an alternative solution is proposed and demonstrated for simultaneous measurement of axial strain and temperature. This sensor consists of two twisted points on a commercial single mode fiber introduced by flame-heated and rotation treatment. The fabrication process modifies the geometrical configuration and refractive index of the fiber. Different cladding modes are excited at the first twisted point, and part of them are coupled back to the fiber core at the second twisted point. Experimental results show distinct sensitivities of 34.9 pm/με with 49.23 pm/℃ and -36.19 pm/με with 62.99 pm/℃ for the two selected destructive interference wavelengths.
引用
收藏
页码：24 / 28
页数：5
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