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

  • School of Physics, Harbin Institute of Technology
  • Heilongjiang Provincial Key Laboratory of Plasma Physics and Application Technology
  • Institute of Laser Physics Sb Ras
  • St. Petersburg State University

Research output: Contribution to journalArticlepeer-review

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 the Pd-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.

Original languageEnglish
Pages (from-to)7675-7683
Number of pages9
JournalIEEE Access
Volume10
DOIs
StatePublished - 2022
Externally publishedYes

Keywords

  • Anodes
  • Attenuation
  • Cathodes
  • Discharges (electric)
  • Electromagnetic scattering
  • Helium
  • Plasmas

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