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Article · IEEE Access · January 1, 2022

Attenuation of Microwave Radiation by Post-Anode Plasma in a Composite Grid Electrode Structure

Xingbao Lyu, Chengxun Yuan, Svetlana V. Avtaeva, Anatoly A. Kudryavtsev, Jingfeng Yao, Yangguo Liu

Svetlana Avtaeva
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Abstract

This paper presents a new composite grid electrode structure for the generation of plasma that is suitable for modeling microwave radiation transmission through atmospheric plasma. The new grid anode-composite cathode (GA-CC) structure is to be contrasted with the ordinary grid anode-cathode plate (GA-CP) structure. It is found that the breakdown voltage of the new GA-CC electrode structure is lower than that of the GA-CP structure and is a bit shifted to the right on thePd-axis. An advantage of the GA-CC structure over the GA-CP structure is that it requires a lower voltage to generate the same current. It is found that plasma generated by the new GA-CC structure selectively strengthens electromagnetic waves attenuation in the frequency range of 9–12 GHz.

Atmospheric-Pressure Plasma ApplicationsLow-Pressure Plasma Processing and DiagnosticsVacuum and Plasma Arcsatmospheric pressure plasmaplasma generationbreakdown voltage

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