Fiber optic strain sensor based on LP01-LP02 mode interference in a few mode optical fiber

被引：3
|
作者：
Kumar, A [1 ]
Goel, NK [1 ]
Varshney, RK [1 ]
机构：
[1] Indian Inst Technol, Dept Phys, New Delhi 110016, India
来源：
PHOTONICS 2000: INTERNATIONAL CONFERENCE ON FIBER OPTICS AND PHOTONICS | 2001年 / 4417卷
关键词：
strain sensor; fiber optic sensor; few mode fibers;
D O I：
10.1117/12.441342
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A fiber optic strain sensor based on interference between LP01-LP02 modes of a circularly symmetric few mode fiber has been studied. Differential phase shift between the two modes is measured as a function of strain in the fiber with and without coating. A simple theoretical model to estimate the differential phase shift due to strain is also developed, the prediction of which matches well with the experimental results.
引用
收藏
页码：500 / 505
页数：6
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