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Reconfigurable slotted cylindrical waveguide and coaxial array antenna using plasma

Abstract : A novel reconfigurable cylindrical slotted waveguide antenna associated with plasma tube is proposed. The performance of the reconfigurable system is observed in terms of S-21, maximum realized gain, radiation patterns and total efficiency. It is shown that by switching ON or OFF the fluorescent lamp, we can change the antenna operating mode. When the plasma is OFF, we have the waveguide behavior with a cutoff frequency around 2.5 GHz and when the plasma is ON, the behavior become 50 Omega coaxial line. By adding slots, we obtain reconfigurable antenna working at 4 GHz and 1 GHz. The main idea is to obtain reconfigurable slotted cylindrical waveguide and coaxial array antenna using plasma
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-02277948
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, September 4, 2019 - 9:08:35 AM
Last modification on : Thursday, December 19, 2019 - 10:47:59 AM

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  • HAL Id : hal-02277948, version 1

Citation

Oumar Alassane Barro, Mohamed Himdi, Hamsakutty Vettikalladi. Reconfigurable slotted cylindrical waveguide and coaxial array antenna using plasma. 13th European Conference on Antennas and Propagation (EuCAP), Mar 2019, Krakow, Poland. ⟨hal-02277948⟩

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