Temperature-Insensitive Fiber Bragg Grating-Based Bending Sensor Using Radio-Freqeuncy-Modulated Reflective Semiconductor Optical Amplifier

被引：9
|
作者：
Kim, Sunduck [1 ,2 ]
Lee, Kwanil [1 ]
Lee, Ju Han [3 ]
Jeong, Je-Myung [2 ]
Lee, Sang Bae [1 ]
机构：
[1] Korea Inst Sci & Technol, Div Intelligent Syst, Photon Res Lab, Seoul 130791, South Korea
[2] Hanyang Univ, Div Elect & Comp Engn, Seoul 133791, South Korea
[3] Univ Seoul, Sch Elect & Comp Engn, Seoul 130743, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2009年 / 48卷 / 06期
关键词：
STRAIN SENSORS; DISPLACEMENTS; BEAM;
D O I：
10.1143/JJAP.48.062402
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A novel method for the temperature-insensitive measurement of the bending of a cantilever plate is proposed. It is based on the radio-frequency (RF) power measurement of the beat signal that has been generated from a dual fiber Bragg grating (FBG)-based sensing head. Another noticeable feature is that a sine-modulated amplified spontaneous emission from a directly modulated reflective semiconductor optical amplifier (RSOA) is employed as a broadband light source. (C) 2009 The Japan Society of Applied Physics
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页数：3
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