摘要
光纤传感技术已经成为当今世界最令人瞩目、发展最为迅速的高新技术之一,它与通信技术、计算机技术构成信息产业的三大支柱,是当代科学技术发展的一个重要标志。拉曼分布式光纤传感技术凭借抗电磁干扰、电绝缘、本质安全、灵敏度高、体积小等优势,被广泛应用于国家大型基础设施结构健康安全监测,在深海深地、极地科考、大型水利工程、智能电网等诸多领域有重要应用价值。介绍了拉曼分布式光纤传感技术的基本工作原理,针对当前拉曼分布式光纤传感技术存在的科学问题和技术瓶颈,分别综述了补偿拉曼光衰减差异、系统信噪比(SNR)提升和改进型拉曼传输方程等用于提升系统测温精度的研究进展,重点介绍了本课题组的研究进展,并对未来可能的发展趋势进行探讨。
Fiber sensing technology has emerged as one of the most remarkable and rapidly developing technologies globally.It constitutes one of the three pillars of the information industry,alongside communication technology and computer technology,symbolizing the forefront of contemporary science and technology.Raman distributed fiber temperature sensing technology,renowned for its resistance to electromagnetic interference,electrical insulation,intrinsic safety,high sensitivity,and compact size,finds extensive use in monitoring the health and safety of national large-scale infrastructure.Moreover,it holds significant application value across various critical domains,including deep sea and deep earth,polar scientific research,large-scale water conservancy projects,and intelligent power grids.This study introduces the basic working principle of Raman distributed fiber temperature sensing technology.Addressing current scientific challenges and technical barriers in Raman distributed fiber sensing technology,this review summarizes research advancements in compensating for Raman optical attenuation discrepancies,improving signal-to-noise ratio(SNR),and ameliorating the Raman transmission equation to improve system temperature measurement accuracy.This study emphasizes the research progress of our group and discusses developmental trends in the field.
作者
曹康怡
李健
张明江
Cao Kangyi;Li Jian;Zhang Mingjiang(College of Electronic Information and Optical Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China;College of Physics,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China;Key Laboratory of Advanced Transducers and Intelligent Control Systems(Ministry of Education and Shanxi Province),Taiyuan University of Technology,Taiyuan 030024,Shanxi,China)
出处
《激光与光电子学进展》
CSCD
北大核心
2024年第17期48-66,共19页
Laser & Optoelectronics Progress
基金
国家自然科学基金(62075151,62205234,62105234,62205237)
山西省青年科学基金(202103021223042,20210302124396)
山西省科技成果转化引导专项(202204021301042)
山西省专利转化专项计划(202302002)。
关键词
光纤传感
分布式光纤传感
光纤光学
拉曼散射
测温精度
fiber sensing
distributed fiber sensing
optical fiber optics
Raman scattering
temperature measurement accuracy
