Design of a current sensor based on optical fibers

M. Stanciu, O. Ghita, A. Vintea, Sabina Potlog
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引用次数: 1

Abstract

This paper present the design of a current sensor based on Faraday Effect using optical fibers devices and a polarizing beam splitter (PBS). Two different schematics are to be taken into account, for high currents and for smaller ones. A single polarized laser signal is sent to the PBS prism and two angular components are separated. From here, these optical signals are processed using some interfaces, a NI-DAQ acquisition board and a LabVIEW interface. After calculations, the unknown current is obtained function of the reflexion angle between the two light components.
基于光纤的电流传感器设计
本文介绍了一种基于法拉第效应的电流传感器的设计,该传感器采用光纤器件和偏振分束器。对于大电流和小电流,要考虑两种不同的原理图。将单偏振激光信号送入PBS棱镜,分离出两个角分量。在这里,使用NI-DAQ采集板和LabVIEW接口对这些光信号进行处理。经过计算,得到了未知电流与两光分量之间的反射角的函数关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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