光纤传感器在土木工程健康监测中的发展与应用

英文篇名：Applications and development of fiber optic sensor for civil engineering health monitoring
中文刊名：四川建筑科学研究
英文刊名：Sichuan Building Science
作者：曹长城 ; 田石柱 ; 王大鹏
英文作者：CAO Changcheng1 ; TIAN Shizhu1 ; 2 ; WANG Dapeng1(1.School of Civil Engineering ; Suzhou University of Science and Technology ; Suzhou 215011 ; China ; 2.School of Civil Engineering ; Harbin Institute of Technology ; Harbin 150090 ; China)
中文关键词：FBG ; 分布式光纤传感器 ; 布里渊散射 ; BOTDR
英文关键词：FBG ; distributed fiber optic sensors ; Brillouin scattering ; BOTDR
出版日期：2013-06-25
机构：苏州科技学院土木工程学院;哈尔滨工业大学土木工程学院;
年：2013
期：03
出版单位：四川建筑科学研究

摘要

结构健康监测系统的关键因素之一是其系统内部的传感元件。光纤传感器的出现并以其优于其他传感器的特点,已经成为结构健康监测系统的首选传感器。本文将简单综述两类光纤传感器———FBG传感器和基于布里渊散射分布式光纤传感器在土木工程健康监测中的发展和最新的应用状况,并对BOTDR测试系统提出改进方案,以实现对平面分布信息的传感。
The sensing element is one of the key factors in a structural health monitoring.Fiber optic sensor has made it the first choice in Structural Health Monitoring(SHM) system with its unique characteristics compared to the other conventional sensors.In this paper,the development and the latest applications of two kinds of fiber optic sensor are presented briefly,namely Fiber Bragg Grating(FBG) sensor and distributed fiber optic sensors based on Brillouin scattering.An improving proposal for Brillouin Optical Time Domain Reflectometry(BOTDR) testing system is carried out to fulfill the sensing of plane distribution information.

引文

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