A liquid lever sensor based on an abrupt taper and micro-arc Michelson interferometer in single-mode fiber

被引：0
|
作者：
Mao, Beibei [1 ]
Wu, Yongfeng [1 ]
Cheng, Weihao [1 ]
Ullah, Rahat [1 ]
Ren, Jianxin [1 ]
Mao, Yaya [1 ]
Yuan, Tingxuan [1 ]
Wang, Tutao [1 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, Inst Optoelect, Nanjing 210044, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2024年 / 66卷 / 05期
基金：
中国国家自然科学基金;
关键词：
abrupt taper; fiber optic sensor; liquid lever; Michelson interferometer; micro-arc structure; temperature;
D O I：
10.1002/mop.34176
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 two-parameter sensor is proposed based on the abrupt taper and micro-arc Michelson interferometer (MI) in single-mode fiber. When there is a regular change in the liquid level or temperature, the phase difference changes, and the spectral intensity or wavelength of the interfering valleys of this sensor is directionally shifted. This study enriches the construction of MI and provides a new perspective on liquid level measurement. We experimentally explored the sensor's sensing performance over temperature and liquid level: this sensor's temperature sensitivity and liquid level sensitivity were up to 62.9 pm/degrees C and 0.2896 dB/mm, respectively. In addition, this sensor is characterized by compactness, simplicity, low cost, and high reliability, and it is suitable for measurement of liquid level and temperature, expanding the application field of MI.
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页数：6
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