利用高双折射光纤环镜的边缘滤波解调方法

被引:7
作者
周广
赵启大
开桂云
董孝义
何士雅
机构
[1] 南开大学现代光学研究所
[2] 北京工业大学应用数理学院
关键词
布拉格光纤光栅(FBG)传感器; Sagnac环镜; 边缘滤波器; 信号解调;
D O I
10.16136/j.joel.2003.12.001
中图分类号
TN253 [光纤元件];
学科分类号
摘要
利用由高双折射光纤所构成的Sagnac环镜作为边缘滤波器,解调制布拉格光纤光栅(FBG)传感探头所返回信号光的频率漂移,提出了一种新颖的FBG传感解调制方法。环镜滤波器具有大约6nm的准线性解调制范围。实验结果和理论分析相吻合。
引用
收藏
页码:1245 / 1249
页数:5
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