基于激光吸收光谱的惰性气体Xe在线探测技术  

On-Line Measurement Method for Inert Gas XeBased on Laser Absorption Spectroscopy

作　　者：陶波[1,2] 王淏 朱峰 黄超[1,2] 李高鹏 李国华[1,2] 黄珂 TAO Bo;WANG Hao;ZHU Feng;HUANG Chao;LI Gao-peng;LI Guo-hua;HUANG Ke(Northwest Institute of Nuclear Technology,Xi’an 710024,China;State Key Laboratory of Laser Interaction with Matter,Xi’an 710024,China)

机构地区：[1]西北核技术研究所,西安710024 [2]激光与物质相互作用国家重点实验室,西安710024

出　　处：《现代应用物理》2021年第2期35-38,44,共5页Modern Applied Physics

基　　金：激光与物质相互作用国家重点实验室基金资助项目(SKLLIM1609)。

摘　　要：在分析惰性气体Xe能级结构的基础上,利用823 nm二极管激光器和辉光放电管,建立了亚稳态Xe激光吸收光谱测量系统,实现了典型工况下Xe总粒子数密度及^(129)Xe,^(131)Xe粒子数密度的定量测量,验证了采用激光吸收光谱技术测量惰性气体Xe的可行性,为研制小型一体化的Xe实时在线监测装置奠定了技术基础。In this paper,based on the analysis of the energy level of inert gas xenon,a metastable xenon laser absorption spectroscopy measurement system is set up by using a 823 nm diode laser and a glow discharge tube.The total particle number density of Xe,the particle number densities of ^(129)Xe,and ^(131)Xe under typical conditions are quantitatively measured.The feasibility of measuring inert gas Xe by using laser absorption spectroscopy are verified,which laid a technical foundation for the development of a integrated Xenon real time on-line monitoring device.

关 键 词：激光吸收光谱 光谱分析 惰性气体 XE 粒子数密度测量 

分 类 号：TN249[电子电信—物理电子学]