基于偏振检测的边孔光纤光栅双峰间距的测量

被引:2
作者
孙崇峰
李智忠
胡永明
杨华勇
苏鹏
机构
[1] 国防科技大学光电学院
[2] 国防科技大学光电学院 湖南长沙
关键词
光纤光学; 边孔光纤; 双峰间距; 测量;
D O I
10.16136/j.joel.2006.02.004
中图分类号
TN253 [光纤元件];
学科分类号
0702 ; 070207 ;
摘要
根据边孔光纤光栅两反射峰偏振态相互正交的特性,提出了一种新颖的基于偏振检测的双峰间距测量方案。该方案采用全保偏光纤系统和偏振器实现了2个反射峰中心波长的分别检测,从而达到双峰间距的测量目的。采用该方案解决了普通波长扫描技术中存在的由于双峰间距较小而导致不能有效测量双峰间距的问题,成功实现了在0.03.5 MPA压力范围内的边孔光纤光栅压力传感。
引用
收藏
页码:139 / 142
页数:4
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