光纤法珀传感解调方法研究进展  

Research Progress on Demodulation Methods of Optical Fiber Fabry-Perot Sensor

作　　者：段雅楠 王双[1,2,3] 江俊峰[1,2,3] 谭珂 刘铁根[1,2,3] DUAN Yanan;WANG Shuang;JIANG Junfeng;TAN Ke;LIU Tiegen(School of Precision Instrument and Opto-electronics Engineering,Tianjin University,Tianjin 300072,China;Key Laboratory of Opto-electronics Information Technology,Ministry of Education,Tianjin University,Tianjin 300072,China;Institute of Optical Fiber Sensing of Tianjin University,Tianjin 300072,China)

机构地区：[1]天津大学精密仪器与光电子工程学院,天津300072 [2]天津大学光电信息技术教育部重点实验室,天津300072 [3]天津大学光纤传感研究所,天津300072

出　　处：《应用科学学报》2021年第5期793-808,共16页Journal of Applied Sciences

基　　金：国家自然科学基金(No.62035006,No.62075160,No.61735011)资助。

摘　　要：光纤法珀传感器是目前发展历史最长、应用最普遍、技术最成熟的一种光纤传感器,广泛应用于各类极端复杂的环境中,对其传感信息进行准确解调是实现高精度测量的关键。首先对光纤法珀传感技术的发展历程进行了回顾和评述,接着介绍了光纤法珀传感器的类型和基本传感原理,对光纤法珀传感器解调方法的研究进展进行了阐述,从强度解调和相位解调两方面分别介绍了强度解调法、光谱解调法和低相干干涉解调法。最后总结了各类解调方法的应用特点,为光纤法珀传感器高精度快速解调的研究与应用提供参考。Optical fiber Fabry-Perot sensor is a type of optical fiber sensors with the longest development history,the widest range of applications,and the most mature technol-ogy,and it has been widely used in many extremely complex environments.In Fabry-Perot sensors,accurate demodulation of sensing information of is the key to gain high-precision measurement.In this paper,first of all,the development history of optical fiber Fabry-Perot sensors is reviewed and commented.Then,the types and basic sensing principles of optical fiber Fabry-Perot sensors are introduced and the research progress of demodulation methods for optical fiber Fabry-Perot sensors is described.Also,intensity demodulation method,spectrum demodulation method and low-coherence interferometric demodulation method are introduced from two aspects of intensity demodulation and phase demodula-tion respectively.At last,the application characteristics of these demodulation methods are summarized,which could provide a reference for the future research and application of high-precision and fast demodulation of optical fiber Fabry-Perot sensors.

关 键 词：光纤传感 干涉型光纤传感器 光纤法珀传感器 解调方法 

分 类 号：P751.1[交通运输工程—港口、海岸及近海工程]