Temperature-Insensitive Fiber Bragg Grating-Based Bending Sensor Using Radio-Freqeuncy-Modulated Reflective Semiconductor Optical Amplifier
- Temperature-Insensitive Fiber Bragg Grating-Based Bending Sensor Using Radio-Freqeuncy-Modulated Reflective Semiconductor Optical Amplifier
- 김선덕; 이관일; 이주한; 정제명; 이상배
- radio-frequency (RF)
- Issue Date
- Japanese Journal of Applied Physics, Part 1- Regular Papers
- VOL 48, 062402-1-062402-3
- 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.
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