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14 February 2005 A novel method of temperature compensation for microvibration sensor with fiber gratings
Xingfa Dong, Yonglin Huang, Bo Liu, Weigang Zhang, GuiYun Kai, Xiaoyi Dong
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Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.570848
Event: Photonics Asia, 2004, Beijing, China
Abstract
A technique for temperature compensation in fiber grating vibration sensor is reported. By special design, it causes reversed strain on two FBGs and has temperature effects cancelled. After discussion about the factors affecting the sensitivity and the width of frequency band, it is experimentally proved that the total variation in wavelength difference within temperature of -15 ~ 50°C is nearly 0. When the input vibration frequency is up to 800Hz and the drive power is as low as 2mw, the output waveform is still distortionless.
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Xingfa Dong, Yonglin Huang, Bo Liu, Weigang Zhang, GuiYun Kai, and Xiaoyi Dong "A novel method of temperature compensation for microvibration sensor with fiber gratings", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.570848
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KEYWORDS
Fiber Bragg gratings
Fiber optics sensors
Sensors
Signal detection
Transducers
Beam shaping
Temperature metrology
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