An optical fiber voltage sensor based on self-mixing interference

被引：4
|
作者：
Jiang, Chunlei [1 ]
Ren, Anning [1 ]
Dong, Taiji [1 ]
Wu, Hao [1 ]
Xu, Kaichuan [1 ]
Chen, Peng [1 ]
机构：
[1] Northeast Petr Univ, Coll Elect & Informat Engn, Daqing 163318, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2023年 / 75卷
关键词：
TEMPERATURE COMPENSATION;
D O I：
10.1016/j.yofte.2022.103201
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：
An optical voltage sensor based on self-mixing interference (SMI) and on the converse piezoelectric effect of a piezoelectric ceramic (PZT) is proposed and demonstrated. A single-mode fiber is coiled around the PZT, and when an AC voltage is applied, the deformation of the PZT modulates the phase of the light propagation in the fiber. Light reflected at the fiber end back into the laser cavity forms SMI, and the voltage is obtained by demodulating the output signal with the reverse point recognition algorithm. Experimental results show that the sensor has good linearity, and the scheme has a relative error of & PLUSMN;2 %, which meets the standard IEC 60044-7.
引用
收藏
页数：6
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