Spectroscopic Study of Laser Induced Breakdown Plasma Spectroscopy in Air and Semi-Empirical Simulation
SUN Dui-xiong1，2, SU Mao-gen2, DONG Chen-zhong2, MA Yun-yun3, YANG Feng2, CAO Shi-quan2
1. Editorial Department of Journal of Northwest Normal University, Lanzhou 730070, China 2. Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China 3. College of Bailie Engineering and Technology, Lanzhou City University, Lanzhou 730070, China
Abstract：A laser induced breakdown spectroscopy experiment was carried out using Nd∶YAG laser in air, and time-resolved spectra were measured. Based on local thermodynamic equilibrium assumption, a method used to simulate LIBS spectra is proposed. A LIBS spectrum of air in the wavelength range of 700~900 nm was simulated using this method. A good agreement between experiment and simulation was obtained, and moreover, the relative concentrations of the N, O and Ar in air were obtained.
孙对兄1, 2, 苏茂根2, 董晨钟2, 马云云3, 杨 峰2，曹世权2 . 激光诱导击穿空气等离子体光谱及半经验理论模拟 [J]. 光谱学与光谱分析, 2014, 34(12): 3230-3234.
SUN Dui-xiong1，2, SU Mao-gen2, DONG Chen-zhong2, MA Yun-yun3, YANG Feng2, CAO Shi-quan2 . Spectroscopic Study of Laser Induced Breakdown Plasma Spectroscopy in Air and Semi-Empirical Simulation . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(12): 3230-3234.
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