基于磁流体的新型光纤磁传感器

Tao Hu, Zhiwei Lv, Yong Zhao, Xing Li, Jingjing Chen
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引用次数: 3

摘要

在光纤F-P干涉腔中以磁流体为介质,研制了一种新型光纤F-P电磁传感器。提出了一种基于光纤光栅波长扫描的信号解调方法。介绍了电磁控制磁流体折射率的原理和原理,以及传感器系统的结构。初步实验结果表明,测量特性具有较好的线性关系,磁流体膜厚度和环境温度会影响测量结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Novel Optical Fiber Magnetic Sensor Based on Magnetic Fluid
A novel fiber optic F-P electromagnetic sensor is developed based on magnetic fluid as the medium in F-P interference cavity. A signal demodulation method based on fiber Bragg grating wavelength scanning is proposed. Theory and principle of electromagnetic-controlled refractive index of the magnetic fluid is described as well as the structure of the sensor system. Preliminary experiments are carried out, and the results indicate that there is a fairly good linearity of the measurement characteristic, and the thickness of magnetic fluid film and environmental temperature will affect the measurement results.
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