拉曼光谱在气体检测中的研究进展  

Research progress of Raman spectroscopy in gas detection

作　　者：何子聪 童杏林[1] 黄文种 HE Zicong;TONG Xinglin;HUANG Wenzhong(National Engineering Laboratory for Optical Fiber Sensing Technology,Wuhan University of Technology,Wuhan 430070,China)

机构地区：[1]武汉理工大学光纤传感技术国家工程实验室,武汉430070

出　　处：《激光杂志》2021年第11期1-7,共7页Laser Journal

基　　金：湖北技术创新重大项目(No.2017ACA167)。

摘　　要：介绍了国内外光纤拉曼气体测量技术的研究现状与实际应用,阐述了拉曼光谱分析方法的原理和特点,分析了拉曼光谱在气体定性定量分析领域存在的问题。在该基础上,详细介绍了几种主流的拉曼信号增强的方法,并从结构原理、激光耦合、传输损耗、孔径尺寸、价格成本等方面深入讨论了光子晶体光纤和镀金属毛细管作为激光波导的可能性,同时比较了二者的特点与优劣,最后总结并展望了光纤拉曼气体测量技术的发展潜力与未来应用价值。This paper introduces the research status and practical application of fiber Raman gas measurement technology at home and abroad,expounds the principle and characteristics of Raman spectrum analysis method,and analyzes the problems of Raman spectrum in the field of gas qualitative and quantitative analysis.On this basis,several mainstream Raman signal enhancement methods are introduced in detail,and the possibility of using photonic crystal fiber and metal coated capillary as laser waveguide is discussed in detail from the aspects of structure principle,laser coupling,transmission loss,aperture size,price and cost,Finally,the development potential and future application value of fiber Raman gas measurement technology are summarized and prospected.

关 键 词：光纤传感 气体分析 拉曼光谱 便携式光谱仪 

分 类 号：TN214[电子电信—物理电子学]