蓝宝石光纤及其高温传感器  

Sapphire Fiber and Its Application in High Temperature Sensors

作　　者：庞拂飞[1] 王之凤 刘奂奂[1] 马章微 陈振宜[1] 王廷云[1] PANG Fu-fei;WANG Zhi-feng;LIU Huan-huan;MA Zhang-wei;CHEN Zhen-yi;WANG Ting-yun(Key Laboratory of Specialty Fiber Optics and Optical Access Networks,Shanghai University,Shanghai 200444,China)

机构地区：[1]上海大学特种光纤与光接入网省部共建国家重点实验室培育基地

出　　处：《光子学报》2019年第11期42-53,共12页Acta Photonica Sinica

基　　金：国家自然科学基金(Nos.61735009,61422507,61605108);上海青年东方学者(No.QD2016025)~~

摘　　要：单晶蓝宝石光纤具有热稳定性好、机械性能强、化学性能稳定等优点,在高温、高压等恶劣环境中的应用受到广泛关注.介绍了单晶蓝宝石光纤的制备方法、基本特性及高温传输特性.重点讨论了目前基于单晶蓝宝石光纤制备的高温传感器件,包括法布里-珀罗干涉仪、布拉格光栅、以及迈克尔逊干涉仪,并分析了这些传感器的制备方法和工作原理.最后针对单晶蓝宝石光纤与传统单模光纤难兼容的问题,介绍了蓝宝石衍生光纤的制备及其传感器的最新进展,并展望了未来蓝宝石光纤的发展方向.Single-crystal sapphire fibers have attracted much attention in high temperature and high pressure environments due to their high melting point,good mechanical properties and stable chemical properties.The preparation method,basic characteristics and high-temperature transmission characteristics of the single-crystal sapphire fiber are introduced.Then,the Fabry-Perot interferometer,Bragg grating and Michelson interferometer based on single-crystal sapphire fiber are discussed.The working principle and implementation methods of these sensors are analyzed.At last,in view of the difficulty of compatibility between single-crystal sapphire fiber and traditional single-mode fiber,the preparation of sapphire-derived fiber and its recent development are introduced.The future development direction of sapphire fiber is also discussed.

关 键 词：蓝宝石光纤 光纤传感器 布拉格光栅 法布里-珀罗干涉仪 迈克尔逊干涉仪 蓝宝石衍生光纤 

分 类 号：TP211.14[自动化与计算机技术—检测技术与自动化装置]