Strain sensor using optical fiber unsymmetrical F-P cavity and its characteristic analysis

被引：0
|
作者：
Bi, Weihong
机构：
来源：
Chinese Journal of Lasers B (English Edition) | 2000年 / B9卷 / 02期
关键词：
Fabry-Perot interferometers - Optical fibers - Strain measurement;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An intrinsic Fabry-Perot cavity consisted of different reflective mirrors was used in fiber-optical sensors for measuring the strain. The character of the unsymmetrical fiber-optical Fabry-Perot cavity and fiber-optic longitudinal stress-strain effect were analysed. The general theory and measurement method of strain were presented. A low fineness Fabry-Perot cavity was used to improve the linearity of optical fiber strain sensors. The experimental result agrees well with the theoretical one.
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页码：140 / 147
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