Transmission characteristics of microwave in a coaxial hollow cathode glow discharge weakly ionized dusty plasma study

Yantong Wang; Jiaxu Wang; Abdumahong PatiMan

doi:10.1117/12.3032800

12 July 2024 Transmission characteristics of microwave in a coaxial hollow cathode glow discharge weakly ionized dusty plasma study

Yantong Wang, Jiaxu Wang, Abdumahong PatiMan

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Proceedings Volume 13185, International Conference on Communication, Information, and Digital Technologies (CIDT2024) ; 131850K (2024) https://doi.org/10.1117/12.3032800
Event: International Conference on Communication, Information and Digital Technologies, 2024, Wuhan, China

Abstract

In this study, the transmission characteristics of 4~6 GHz incident microwave in weakly ionized dusty plasma generated by a coaxial hollow cathode glow discharge under helium discharge conditions are investigated based on theoretical models of conductivity and relative dielectric constant. The effects of different dusty particle density on the conductivity and relative dielectric constant of the dusty plasma are calculated. The relevant parameters of the dust plasma are then used in the analysis of microwave attenuation coefficient and phase coefficient formulas, and the experimental results are corrected and analyzed for errors. The results demonstrate a good agreement between the model and publicly reported experimental measurements in a specific laboratory dusty plasma environment, confirming the reliability of the theory. This study provides theoretical guidance for exploring the electromagnetic properties of laboratory dusty plasma and contributes to the improvement of the microwave attenuation measurement method for dusty plasma.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yantong Wang, Jiaxu Wang, and Abdumahong PatiMan "Transmission characteristics of microwave in a coaxial hollow cathode glow discharge weakly ionized dusty plasma study", Proc. SPIE 13185, International Conference on Communication, Information, and Digital Technologies (CIDT2024) , 131850K (12 July 2024); https://doi.org/10.1117/12.3032800

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KEYWORDS

Plasma

Microwave radiation

Particles

Signal attenuation

Electrons

Dielectrics

Electrical conductivity

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