Compact Fiber-Optic Current Sensor With a Polarization Splitter and a 22.5° Faraday Rotator

被引：0
|
作者：
Madaschi, Andrea [1 ]
Brunero, Marco [2 ]
Ferrario, Maddalena [2 ]
Martinelli, Mario [1 ]
Boffi, Pierpaolo [1 ]
Martelli, Paolo [1 ]
机构：
[1] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, I-20133 Milan, Italy
[2] Cohaerentia Srl, I-20133 Milan, Italy
来源：
IEEE SENSORS LETTERS | 2022年 / 6卷 / 10期
关键词：
Sensor integration; Faraday effect; fiber-optic current sensor; polarization; Verdet constant; VERDET CONSTANT; DISPERSION;
D O I：
10.1109/LSENS.2022.3206483
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：
In this letter, a novel implementation of a polarimetric fiber-optic current sensor scheme based on polarizing beam splitter and a 22.5 degrees Faraday rotator will be presented. The developed sensor employs a compact and pigtailed component realized by joining a polarizing beam splitter and a Faraday rotator, it does not require any external adjustment to work and shows very high immunity to external electromagnetic and mechanical interference. The experimental results prove good sensitivity of the sensor allowing for the measurement of small value of current down to 100 mA.
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页数：4
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