摘要
光纤气体传感器具有本征安全、不易受环境影响和远程遥测等优点,在矿井油田、工业生产中有很大的应用前景。功能纳米材料的修饰使得光纤传感在气体检测领域有了更多的研究思路。首先基于工作原理对光纤气体传感器进行分类,简单介绍了光纤气体传感器的优点及目前的应用情况,然后详细介绍了4种传感型光纤气体传感器的基本原理与关键技术。传感型光纤气体传感器通过抛磨、腐蚀、拉锥等微加工手段改变光纤的结构,辅以特殊纳米材料的修饰,可实现超高精度的折射率测量,为光纤气体检测技术提供了低检测限、高灵敏度和特异性的新方法。最后,总结了目前纳米材料修饰的光纤气体传感器存在的问题以及未来的发展方向。
Optical fiber gas sensors have giant application prospects in mine,oilfield and industrial production due to the advantages of intrinsic safety,less environmental impact and remote measurement.The modification with functional nano materials has led to more research ideas for optical fiber sensing in the field of gas detection.The optical fiber gas sensors are classified based on the operating principle.The advantages and current applications of optical fiber gas sensors are briefly introduced.Then,the basic principles and key technologies of four types of sensing optical fiber gas sensors are introduced in detail.The optical fiber structure of the sensing optical fiber gas sensors can be changed by micro-processing means such as polish-grinding,corroding,tapering,etc.and supplemented by the modification of special nano-materials,then the ultra-high precision refractive index measurement can be achieved,which provides a new method with low detection limit,high sensitivity and specificity for optical fiber gas detection technology.Finally,the existing problems and future development directions of optical fiber gas sensors modified by nano-materials are summarized.
作者
徐荣靖
张健
陈恺
李天舒
祝连庆
Xu Rongjing;Zhang Jian;Chen Kai;Li Tianshu;Zhu Lianqing(School of Instrumentation Science and Opto-electronics Engineering,Beijing Information Science and Technology University,Beijing 100192,China;School of Instrument Science and Opto-electronics Engineering,Hefei University of Technology,Hefei 230009,China)
出处
《仪器仪表学报》
EI
CAS
CSCD
北大核心
2020年第10期1-16,共16页
Chinese Journal of Scientific Instrument
基金
国家自然科学基金重点项目(61735002,51535002)
国家自然科学基金(61905016)
高等学校学科创新引智计划(先进光电子器件与系统学科创新引智基地)(D17021)项目资助
关键词
纳米材料
光纤光栅
倏逝场
表面等离子体共振
拉曼光谱技术
nano-material
fiber grating
evanescent field
surface plasmon resonance
Raman spectrum technique
作者简介
徐荣靖,2018年于北京理工大学获得学士学位,现为北京信息科技大学仪器科学与光电工程学院硕士研究生,主要研究方向为光纤气体传感器,E-mail:bitxrj@126.com;通信作者:祝连庆,分别在1982年和1989年于合肥工业大学获得学士学位和硕士学位,2013年于哈尔滨工业大学获得博士学位,现为北京信息科技大学教授,主要研究方向为光纤传感技术、光纤激光器、光电精密测试技术等。E-mail:lqzhu_bistu@sina.com
