Fiber Bragg grating current sensor using linear magnetic actuator

被引：9

作者：

Gong, JM ^{[1
]}

Chan, CC ^{[1
]}

Zhang, M ^{[1
]}

Jin, W ^{[1
]}

MacAlpine, JMK ^{[1
]}

Liao, YB ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China

来源：

OPTICAL ENGINEERING | 2002年 / 41卷 / 03期

关键词：

gratings; sensors; actuators;

D O I：

10.1117/1.1446464

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a novel, to our knowledge, current sensor based on a fiber Bragg grating (FBG). Using a cantilever beam and a linear magnetic actuator, the change of current is transferred to the Bragg wavelength shift of the FBG with good linearity and repeatability. The current sensor thus gains the merits of FBG sensors, and thus is immune to light intensity fluctuation, multiplexing capability, etc., and can be adopted for real industrial monitoring. (C) 2002 Society of Photo-Optical Instrumentation Engineers.

引用

页码：557 / 558

页数：2

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