A distributed frequency modulation continuous wave fiber stress sensor based on a birefringent Sagnac ring configuration

被引：0
|
作者：
Campbell, M
Zheng, G
Wallace, PA
HolmesSmith, AS
机构：
来源：
OPTICAL REVIEW | 1997年 / 4卷 / 1A期
关键词：
stress sensor; fiber sensor; distributed sensor; polarimetric; frequency modulated continuous wave technology;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new distributed stress sensor, based on a birefringent fiber Sagnac ring configuration and frequency modulation continuous wave technology, has been investigated. The two forward-coupled mode beams in the Sagnac ring, induced by an applied stress at any given point along the fiber length, produce a beat frequency which can be analysed to determine, simultaneously, the magnitude and position of the stress. The system has a reasonable spatial resolution of 1 m in a dynamic sensing range of 50 m.
引用
收藏
页码：114 / 116
页数：3
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