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题名: High-performance multiplexed vibration sensor system based on fiber lasers - art. no. 683019
作者: Xiao, H;  Wang, YJ;  Li, F;  Liu, YL
出版日期: 2008
会议日期: NOV 12-14, 2007
摘要: This paper describes a high-performance multiplexed vibration sensor system using fiber lasers. A serial vibration sensor array consists of four short cavity fiber lasers. The system employs a single, polarization-insensitive, unbalanced Michelson interferometer to translate individual laser wavelength shifts induced by vibration signals into interferometer phase shifts. A dense wavelength division demultiplexor (DWDM) with high channel isolation is inserted to demultiplex each laser signal as a wavelength filter. Finally, a digital phase demodulator based on the phase generated carrier technique is used to achieve high-resolution interrogation. Experimental results show that no observable crosstalk is measured on the output channels, and the minimal detectable acceleration of this system is similar to 200ng/root Hz at 250Hz, which is fundamentally limited by the frequency noise of the lasers.
会议名称: Conference on Advanced Sensor Systems and Applications III
KOS主题词: Wavelength division multiplexing
会议文集: ADVANCED SENSOR SYSTEMS AND APPLICATIONS III
专题: 中国科学院半导体研究所(2009年前)_会议论文

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推荐引用方式:
Xiao, H ; Wang, YJ ; Li, F ; Liu, YL .High-performance multiplexed vibration sensor system based on fiber lasers - art. no. 683019 .见:SPIE-INT SOC OPTICAL ENGINEERING .ADVANCED SENSOR SYSTEMS AND APPLICATIONS III,1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA ,2008,6830: 83019-83019
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