High-Sensitivity Fiber-Optic Temperature Sensing System Based on Optical Pulse Correlation and Time-Division Muliplexer Technique
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概要
- 論文の詳細を見る
A novel high-sensitivity fiber-optic temperature sensing system based on the optical pulse correlation principle is proposed. The optical pulse correlation state corresponding to the time drift in fiber-optic transmission lines is detected by a second harmonic generation (SHG) crystal. This sensing system is combined with 3- and 100-m-long monitoring fibers using a time-division multiplexer (TDM) combination technique. By using the linear trend-line method to combine the correlation values of short and long monitoring fibers, a high-temperature sensitivity of 0.001 °C/mV and an approximatly 20 °C dynamic measurable range are successfully achieved.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-10-25
著者
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Nonaka Koji
Department Of Electronics And Photonics Systems Engineering Kochi University Of Technology
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Xu Xunjian
Department Of Electronics And Photonics Systems Engineering Kochi University Of Technology
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Nonaka Koji
Department of Electronics and Photonics Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 780-8502, Japan
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Nonaka Koji
Department of Electronic and Photonic System Engineering, Kochi University of Technology, Kami, Kochi 782-8502, Japan
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