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题名: Enhanced fiber Bragg grating sensor demodulation technique using cascade wavelength division multiplex couplers
作者: Tian, KK;  Zhang, SW;  Li, F;  Liu, YL;  Wang, QM
出版日期: 2005
会议日期: NOV 08-11, 2004
摘要: An enhanced technique for interrogating fiber Bragg grating wavelength shift using cascade wavelength division multiplexer (WDM) couplers was proposed and demonstrated. Three WDM couplers which show a linear filter function over the expected wavelength range are employed and cascaded to track Bragg wavelength shifts. Compared with single WDM demodulator. sharper spectral slope is obtained and considerable linear filter range is kept. The static and dynamic strain sensor demodulation experiments demonstrated that the simple passive technique improves the sensitivity approximately two times and keeps 5nm linear demodulation range based on our devices. The cascade WDM coupler demodulation system has high scan rate which can be used to monitor fast vibration.
会议名称: Conference on Optoelectronic Devices and Integration
KOS主题词: demodulation;  SYSTEMS;  filter
会议文集: OPTOELECTRONIC DEVICES AND INTEGRATION丛书标题: PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
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:
Tian, KK; Zhang, SW; Li, F; Liu, YL; Wang, QM .Enhanced fiber Bragg grating sensor demodulation technique using cascade wavelength division multiplex couplers .见:SPIE-INT SOC OPTICAL ENGINEERING .OPTOELECTRONIC DEVICES AND INTEGRATION丛书标题: PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) ,1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA ,2005,PTS 1 AND 2 5644: 784-791 Part 1-2
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