Plasma-Based Dual-Band Reflective Surface

The subject of this work is the numerical design of a plasma-based dual-band reflective surface. The proposed concept consists of a series of cylindrical plasma discharges placed on top of a reconfigurable surface made of conventional metallic patches. The possibility to independently control the st...

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Bibliographic Details
Published inIEEE access Vol. 11; pp. 128970 - 128978
Main Authors Magarotto, Mirko, Schenato, Luca, Santagiustina, Marco, Galtarossa, Andrea, Capobianco, Antonio-Daniele
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Antennas
Cylindrical plasmas
Dual band
Extremely high frequencies
Gaseous plasma antennas
Ka-band
Ku-band
Phased arrays
Plasma density
Plasmas
Reflection
reflective surfaces
Resonant frequency
Steering
Surface waves
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Summary:The subject of this work is the numerical design of a plasma-based dual-band reflective surface. The proposed concept consists of a series of cylindrical plasma discharges placed on top of a reconfigurable surface made of conventional metallic patches. The possibility to independently control the steering of two signals, one in Ku-band (12.5 GHz) and the other in Ka-band (27.5 GHz), with a frequency ratio larger than 2, is proven. The signal at a lower frequency is controlled via the plasma density, while the one at a higher frequency is reconfigured via the conventional metallic surface. Notably, the larger the difference between the two working frequencies, the more a plasma-based reflecting surface suits dual-band operations.
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ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2023.3333526