Temperature-Insensitive Fiber Bragg Grating-Based Bending Sensor Using Radio-Freqeuncy-Modulated Reflective Semiconductor Optical Amplifier
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概要
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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.
- 2009-06-25
著者
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Jeong Je-myung
Division Of Electrical And Computer Engineering
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Lee Sang
Photonics Research Center Korea Institute Of Science And Technology
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Lee Kwanil
Photonics Research Laboratory, Division of Intelligent System, Korea Institute of Science and Technology (KIST), Seoul 130-791, Korea
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Kim Sunduck
Photonics Research Laboratory, Division of Intelligent System, Korea Institute of Science and Technology (KIST), Seoul 130-791, Korea
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Lee Ju
School of Electrical and Computer Engineering, University of Seoul, Seoul 130-743, Korea
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Lee Ju
School of Electrical and Computer Engineering, University of Seoul, 13 Siripdae-Gil, Dongdaemun-Gu, Seoul 130-743, Republic of Korea
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Lee Sang
Photonics Research Laboratory, Division of Intelligent System, Korea Institute of Science and Technology (KIST), Seoul 130-791, Korea
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Jeong Je-Myung
Division of Electrical and Computer Engineering, Hanyang University, Seoul 133-791, Korea
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LEE Ju
School of Electrical and Computer Engineering, University of Seoul
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