Relative Humidity Sensor Based on Microfiber Loop Resonator

被引：29
|
作者：
Zheng, Yangzi [1 ]
Dong, Xinyong [1 ]
Zhao, Chunliu [1 ]
Li, Yi [1 ]
Shao, Liyang [1 ]
Jin, Shangzhong [1 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China
来源：
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2013年 / 2013卷
基金：
中国国家自然科学基金;
关键词：
Resonators;
D O I：
10.1155/2013/815930
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel relative humidity (RH) sensor based on a microfiber loop resonator (MLR) is proposed and experimentally demonstrated. As refractive index of the microfiber in the MLR is modified by environmental humidity, resonant wavelength of the MLR changes with RH level. By detecting this wavelength shift, RH measurement is realized with a linear response sensitivity of 1.8 pm/% RH. The obvious advantage of this technique over others is that no coating of humidity-sensitive material is required.
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收藏
页数：4
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