基于光致热弹光谱的痕量气体传感技术研究进展  

Research Progress in Trace Gas Sensing Technology Based on Laser-induced Thermo-elastic Spectroscopy

作　　者：李新华[1] 贾志超 许薇 陈祥 LI Xin-hua;JIA Zhi-chao;XU Wei;CHEN Xiang(Jinling Institute of Technology,Nanjing 211169,China)

机构地区：[1]金陵科技学院材料工程学院,江苏南京211169

出　　处：《金陵科技学院学报》2023年第2期64-74,共11页Journal of Jinling Institute of Technology

基　　金：中国科学院环境光学与技术重点实验室开放基金项目(2005DP173065-2021-03)。

摘　　要：光致热弹光谱(LITES)技术在痕量气体检测领域的应用性能不断提高。主要介绍了基于不同结构吸收池的LITES痕量气体传感技术、提高系统灵敏度的各种技术手段以及LITES痕量气体传感技术的光强修正方法,并对目前LITES痕量气体传感技术的研究进展进行总结,展望了进一步提高系统检测灵敏度的方法,以期LITES痕量气体传感技术在环境监测、工业安全和生命科学等领域发挥更大的作用。The application performance of laser-induced thermo-elastic spectroscopy(LITES)technology in the field of trace gas detection is continuously improving.This paper mainly introduces the LITES trace gas sensing technology based on different structures of absorption cells,various technical means to improve system sensitivity,and the light intensity correction methods of LITES trace gas sensing technology.The current research progress of LITES trace gas sensing technology is summarized and the methods to further improve the detection sensitivity of the system are prospected.The LITES trace gas sensing technology is expected to play a greater role in the fields of environmental monitoring,industrial safety and life sciences.

关 键 词：光致热弹光谱 石英音叉 长光程 痕量气体 传感器 

分 类 号：O433[机械工程—光学工程] TB324[理学—光学]