提出了一种由磁致伸缩材料管和光纤光栅构成的新型光纤光栅电流传感器。
A new fiber optic current sensor based on a magnetostrictive material tube and a fiber optic Bragg grating is suggested.
采用琼斯矩阵法分析了法拉第旋转镜消除偏振诱导信号衰落的原理，阐述了基于磁致伸缩的光纤迈克耳孙干涉型磁场传感器基本原理。
The principle that Faraday rotator mirror eliminates polarization-induced fading was analyzed by means of Jones matrix. And the basic principle of the sensor was described.
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