Influence of Power Supply Modes on the Dynamics of Atmospheric Pressure Glow Discharge Radiation in Mg Atom Flow Generation Mode

IF 0.7 Q4 OPTICS

Atmospheric and Oceanic Optics Pub Date : 2026-09-09 DOI:10.1134/S1024856026700429

K. P. Savkin, D. A. Sorokin, D. V. Beloplotov, A. G. Nikolaev, M. V. Shandrikov, A. A. Cherkasov, V. I. Gushenets, A. S. Bugaev, U. V. Khomutova, D. Yu. Ignatov

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Abstract

The dynamics and spatial distribution of atmospheric pressure glow discharge plasma radiation in an argon flow in the plasma generation mode with metal particles is studied. The discharge system consisted of two symmetrical tantalum crucible-electrodes with inserts of a low-melting metal (magnesium) and operated at a current of 100–600 mA, a relatively high discharge voltage of 150–200 V, and an argon flow rate of 1–3 L/min without changing to spark or arc discharge modes. A discharge was self-maintained in the pulse mode due to afterglow of decaying plasma in the interpulse period. It is shown that emission from metal atoms is the strongest near the glow discharge cathode regardless of the power supply mode (direct or unipolar or bipolar pulse current). The results of this work can be used in aerosol flow generation, synthesis of nanostructured materials, and optical radiation generation by gas discharge.

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电源模式对Mg原子流产生模式下大气压辉光放电辐射动力学的影响

研究了氩气流中常压辉光放电等离子体辐射在金属粒子等离子体产生模式下的动力学和空间分布。放电系统由两个对称的钽坩埚电极组成，电极插入低熔点金属（镁），放电电流为100-600 mA，放电电压为150-200 V，氩气流量为1-3 L/min，不改变放电模式或电弧放电模式。脉冲模式下，由于等离子体在脉冲间隔期的余辉作用，放电得以自我维持。结果表明，金属原子在辉光放电阴极附近的发射是最强的，无论电源方式是直接或单极或双极脉冲电流。这项工作的结果可用于气溶胶流动的产生、纳米结构材料的合成以及气体放电产生光辐射。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Atmospheric and Oceanic Optics OPTICS-

CiteScore

2.40

自引率

42.90%

发文量

期刊介绍： Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.