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

Title
Temperature-Insensitive Fiber Bragg Grating-Based Bending Sensor Using Radio-Freqeuncy-Modulated Reflective Semiconductor Optical Amplifier
Authors
김선덕이관일이주한정제명이상배
Keywords
radio-frequency (RF)
Issue Date
2009-07
Publisher
Japanese Journal of Applied Physics, Part 1- Regular Papers
Citation
VOL 48, 062402-1-062402-3
Abstract
A novel method for the temperature-insensitive measurement of the bending of a cantilever plate is proposed. It is based on the radiofrequency (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.
URI
http://pubs.kist.re.kr/handle/201004/35586
ISSN
0021-4922
Appears in Collections:
KIST Publication > Article
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