Kinetics of Laser Induced Plasma on an Aqueous Surface

J. Ahmed, Z. B. Lakhdar, G. Taieb
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引用次数: 12

Abstract

Emission spectra of MgI and MgII from a plasma induced by the interaction of a laser pulse with the surface of aqueous solutions of MgCl 2 , were recorded by a time resolved spectroscopy method to obtain information on the processes involved in the formation and the evolution of the two different species. A kinetic model based on ion-electron recombination produced during the relaxation of the plasma is constructed with the aim to explain the origin and the temporal shift of observed Mg + and Mg emissions. Comparison with the experimental results is presented and discussed.
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激光诱导等离子体在水表面的动力学
用时间分辨光谱法记录了激光脉冲与mgcl2水溶液表面相互作用诱导的等离子体中MgI和MgI的发射光谱,以获得两种不同物质形成和演化过程的信息。建立了等离子体弛豫过程中离子电子复合的动力学模型,以解释观测到的Mg +和Mg发射的起源和时间位移。并与实验结果进行了比较和讨论。
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