基于拉曼散射的分布式光纤量子传感机理研究  

Investigation on mechanism of distributed fiber quantum sensing based on Raman scattering

作　　者：陶在红[1,2] 王婷婷[1,2] 孔春霞[3] TAO Zaihong;WANG Tingting;KONG Chunxia(School of Electronic and Information Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,China;Jiangsu Key Laboratory of Meteorological Observation and Information Processing,Nanjing University of Information Science and Technology,Nanjing 210044,China;School of Environmental Science and Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,China)

机构地区：[1]南京信息工程大学电子与信息工程学院,江苏南京210044 [2]南京信息工程大学江苏省气象探测与信息处理重点实验室,江苏南京210044 [3]南京信息工程大学环境科学与工程学院,江苏南京210044

出　　处：《量子电子学报》2019年第5期635-640,共6页Chinese Journal of Quantum Electronics

基　　金：国家自然科学基金重点项目和重大研究计划,50875132,2011CB00000~~

摘　　要：由于经典电磁理论对散射光强表征不足,提出并推导了基于自发拉曼散射的量子模型。将物质系统和电磁波分开处理,并将它们之间的相互作用作为微扰处理。通过对光纤纤芯中散射现象的分析,研究了光纤量子传感理论,建立了基于拉曼散射的光纤量子温度传感模型。在此基础上,研究了基于拉曼散射的分布式量子温度传感器的工作原理,提出了分布式光纤量子传感器的系统结构,搭建了基于拉曼散射的分布式光纤量子传感实验系统。测量了分布式量子温度传感实验系统的技术参数,并验证了系统性能。实验结果表明此系统可以对监测点进行精确定位,温度测量精度较高。Due to the deficiency of classic electromagnetic theory in characterizing the scattering intensity,a quantum mechanical model based on spontaneous Raman scattering is proposed and deduced,where matter and electromagnetic waves are dealt with separately,and the interaction between them are considered as perturbations.The theories of optical fiber quantum sensing are studied through the analysis of scattering in fiber core.On this basis,the principle of distributed quantum sensor based on Raman scattering is studied.And a model of fiber quantum temperature sensing based on Raman scattering is then proposed.A distributed fiber quantum sensing experimental system is developed.The technical parameters of the distributed quantum temperature sensing experimental system are measured,and the performances of the system are experimentally verified.Results show that the distributed fiber quantum temperature sensing system can accurately locate the monitoring points,and the temperature measurement accuracy is high.

关 键 词：量子光学 分布式光纤量子传感 跃迁概率 自发拉曼散射 

分 类 号：O431.2[机械工程—光学工程]