Temperature-insensitive fiber cantilever vibration sensor based on a fiber-to-fiber structure

被引：0
|
作者：
徐贲 [1 ]
李建庆 [1 ]
潘媛媛 [1 ]
李裔 [2 ]
董新永 [2 ]
机构：
[1] Faculty of Information Technology,Macau University of Science and Technology,Avenida Wai Long
[2] College of Optical and Electronic Technology,China Jiliang University
来源：
Chinese Optics Letters | 2014年 / 12卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Temperature-insensitive fiber cantilever vibration sensor based on a fiber-to-fiber structure;
D O I：
暂无
中图分类号：
TN253 [光纤元件]; TP212 [发送器（变换器）、传感器];
学科分类号：
0702 ; 070207 ; 080202 ;
摘要：
A simple optical fiber cantilever vibration sensor consisting of two opposite aligned bare optical fibers sealed in a quartz capillary is presented.The fiber with the longer bare section is suspended in air and acts as a cantilever.By detecting the transmission power of the sensor directly,the environmental vibrational frequencies and amplitudes may be obtained.By adjusting the cantilever’s natural deflection angle,the sensor can achieve high sensitivity,good response linearity,and a wide dynamic range.Coupling conditions are optimized to minimize temperature effects by simply setting an appropriate air gap between the bare fibers.
引用
收藏
页码：26 / 30
页数：5
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