基于边缘滤波器光纤光栅波长解调技术的研究  

Study on FBG demodulation technique based on edge filter

作　　者：胡勇勤[1] 王俊杰[1] 姜德生[1] 罗裴[1] 

机构地区：[1]武汉理工大学光纤中心,湖北武汉430070

出　　处：《传感器技术》2005年第3期21-23,共3页Journal of Transducer Technology

基　　金：国家973重大基础研究资助项目(513160ZT2)

摘　　要：描述了基于边缘滤波器、自参考、可带中心波长自动跟踪的光纤光栅波长解调器。主要应用于水声信号的检测,中心波长自动跟踪范围为16.6nm,解调器的静态测量的相关系数为0.9948,最小分辨力为13pm,动态范围为490pm,动态测量的带宽为10Hz～5kHz。A self-referencing wavelength demodulation system based on the edge filter is described.This system applied in the field of detecting acoustic signals can autotrack the FBG wavelength.The range of autotrack is (16.6nm),the related linear regressive coefficient of each fitting line of measuring quasi-static physical quantities is (0.9948),the minimum resolution is 13pm and the dynamic range is 490pm,dynamic strain measurement response speed has been limited from 10Hz to 5kHz.

关 键 词：边缘滤波器 解调 自动跟踪 

分 类 号：TN253[电子电信—物理电子学]