Fabry-Perot optical fiber sensing technology and its application in strain monitoring of great structures

被引：0

作者：

Gao, ZF ^{[1
]}

Du, YL ^{[1
]}

Sun, BC ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Sch Mech Elect & Control Engn, Beijing 100044, Peoples R China

来源：

ICEMI 2005: CONFERENCE PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS, VOL 7 | 2005年

关键词：

Fabry-Perot(FP) optic fiber sensor(FOS)s; great structure; real time monitoring; strain;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A kind of Fabry-Perot(FP) optic fiber sensors(FOS) is used in replacement of conventional instruments for monitoring of structures in this paper. The FP sensor technology, its signal processing, readout unit and its maintenance are explained first. Then a case of long-term, realtime strain monitoring system of railway bridges with Fabry-Perot sensors is Studied. Long-term, real-time strain monitoring used FP FOSs in great structures is an innovation. The real-time data gotten form the monitoring spot illuminates that the system has several advantages over conventional structural instruments including fast response, ability of both static and dynamic monitoring, absolute measurement, intrinsic immunity to lightning strikes and other interferences and low attenuation of light signals in long fiber optic cables.

引用

页码：269 / 273

页数：5

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