兰州理工大学学报

兰州理工大学学报 >

2026 , Vol. 52 >Issue 4: 166 - 172

DOI: https://doi.org/10.13295/j.cnki.issn1673-5196.2026.04.020

数理科学

用LIBS方法测量触发闪电通道等离子体的丰度

  • 高兆光 ,
  • 申晓志 ,
  • 齐奇 ,
  • 张华明 ,
  • 王华英 ,
  • 桑萃萃
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  • 1.河北工程大学 数理科学与工程学院, 河北 邯郸 056038;
    2.天津师范大学 物理与材料科学学院, 天津 300387;
    3.中国气象科学研究院 雷电重点实验室, 北京 100081;
    4.山西省气候中心, 山西 太原 030002;
    5.兰州理工大学 理学院, 甘肃 兰州 730050

收稿日期: 2025-03-31

  网络出版日期: 2026-09-03

基金资助

中国气象科学研究院灾害天气国家重点实验室项目(2024KELL-B012,2022LASWB21,2025KELL-A001),山西省气象局项目五台山云物理基地闪电观测研究项目(SXKZDDW20217103)

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Using LIBS method to measure the abundance of triggered lightning channel plasma

  • GAO Zhao-guang ,
  • SHEN Xiao-zhi ,
  • QI Qi ,
  • ZHANG Hua-ming ,
  • WANG Hua-ying ,
  • SANG Cui-cui
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  • 1. School of Science and Engineering in Mathematics and Physics, Hebei University of Engineering, Handan 056038, China;
    2. School of Physics and Materials Science, Tianjin Normal University, Tianjin 300387, China;
    3. Key Laboratory of Lightning, Chinese Academy of Meteorological Science, Beijing 100081, China;
    4. Climate Center of Shanxi Province, Taiyuan 030002, China;
    5. School of Science, Lanzhou University of Technology, Lanzhou 730050, China

Received date: 2025-03-31

  Online published: 2026-09-03

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摘要

利用无狭缝摄谱技术获取中国广东人工触发闪电通道等离子体的光谱.通过光谱分析确定通道等离子体的主要成分为N II、O II、Fe II离子,以及中性N I和O I原子.根据激光诱导击穿光谱技术(LIBS)获取N II离子和Fe II离子的丰度为68.4%和3.6%.基于原子离子的Saha电离平衡方程以及大气中氮氧气体的浓度比,测定了触发闪电通道等离子体中N I、O I、O II的丰度为4.4%,6.0%,17.6%.测量结果与其他实验符合较好.

关键词： 人工触发闪电通道等离子体; 激光诱导击穿光谱技术(LIBS); 原子和离子的丰度; 电子温度; 电子密度

本文引用格式

高兆光 , 申晓志 , 齐奇 , 张华明 , 王华英 , 桑萃萃 . 用LIBS方法测量触发闪电通道等离子体的丰度[J]. 兰州理工大学学报, 2026 , 52(4) : 166 -172 . DOI: 10.13295/j.cnki.issn1673-5196.2026.04.020

Abstract

The spectrum of artificially triggered lightning channel plasma in Guangdong, China was obtained using slit free spectroscopy technology. The main components of the channel plasma were determined to be N II, O II, Fe II ions, neutral N I, and O I atoms through spectral analysis. Based on laser-induced breakdown spectroscopy (LIBS), the abundances of N II ions and Fe II ions were obtained by 68.4% and 3.6%, respectively. On this basis, based on the Saha ionization equilibrium equation of atoms and ions together with the concentration ratio of nitrogen and oxygen gases in the atmosphere, the abundances of N I, O I, and O II in the triggered lightning channel plasma were determined to be 4.4%, 6.0%, and 17.6%. The current measurement results are in good agreement with other experiments.

Key words： channel plasma of artificially triggered lightning; laser induced breakdown spectroscopy technology(LIBS); abundance of atoms and ions; electronic temperature; electron density

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