Liquid Level Sensing Application Based on Optical Chaos

被引：0
|
作者：
Yu, Can [1 ]
Xia, Li [1 ]
Yi, Heng [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Natl Engn Lab Next Generat Internet Access Syst, Wuhan 430074, Hubei, Peoples R China
来源：
2016 15TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2016年
基金：
中国国家自然科学基金;
关键词：
Fiber optics sensors; Liquid level sensor; Chaos;
D O I：
暂无
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：
The application of liquid level sensing based on optical chaos is proposed and experimentally demonstrated. The liquid level sensor is a segment of no-core fiber (NCF) with a faraday reflection mirror (FRM) attached next to it, and with the filtering of a fiber Bragg grating (FBG), the intensity of the reflection light from the sensor is modulated by the liquid level. By monitoring the position and amplitude of the peak in the correlation curve, the measurement of liquid level and the locating of sensing point can be simultaneously achieved. Experimental result shows a linear range of 3.8 cm. This demodulation method also shows the ability of precise fault locating with the accuracy of several centimeters, making it easy for network maintenance.
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页数：3
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