A PASSIVE WAVELENGTH DEMODULATION SYSTEM FOR GUIDED-WAVE BRAGG GRATING SENSORS

被引:264
作者
MELLE, SM
LIU, KX
MEASURES, RM
机构
[1] Institute for Aerospace Studies, University of Toronto, Toronto
关键词
Demodulation - Optical Fibers - Optical Gratings - Signal Processing - Spectrum Analysis;
D O I
10.1109/68.136506
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel, passive, and self-referencing wavelength demodulation system (WDS) that measures the wavelength of the narrow-band back-reflected spectrum of guided-wave Bragg gratings is described. This letter also reports on the use of such a detection system with fiber-optic Bragg gratings used as absolute strain sensors. The wavelength detection system demonstrated a 1% strain resolution of the total strain measurement range.
引用
收藏
页码:516 / 518
页数:3
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