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Design of a Tunable Subwavelength Plasma-Based Resonator for Electrically Small Antenna Applications in L-band

Laffont, Adrien and Delage, Théo and Pascaud, Romain and Grzeskowiak, Marjorie and Cailhol, Cyril and Callegari, Thierry and Liard, Laurent and Pascal, Olivier and Adam, Jean-Pierre Design of a Tunable Subwavelength Plasma-Based Resonator for Electrically Small Antenna Applications in L-band. (2020) In: the 14th European Conference on Antennas and Propagation (EUCAP 2020), 15 March 2020 - 20 March 2020 (Copenhague, Denmark).

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Official URL: https://doi.org/10.23919/EuCAP48036.2020.9135464


A preliminary study of the design of an electrically small plasma-based resonator using a localized surface plasmon resonance (LSPR) above 1 GHz is presented. Such a resonator is intended to be used to develop an electrically small antenna with frequency agility. This resonator consists of a plasma discharge confined in a hemispherical glass shell 3 cm in diameter on a ground plane. From 1 to 1.5 GHz, the plasma electron density required to achieve the LSPR must be between 0.5 × 1011 and 1.4×1011 cm−3. Plasma losses are taken into account in this study and provide information on the required gas pressure. Typically for neon gas, the working pressure must be around 50 mTorr. A practical implementation using a miniature inductively coupled plasma (mICP) source is finally discussed.

Item Type:Conference or Workshop Item (Other)
HAL Id:hal-02909134
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Commissariat à l'Energie Atomique et aux énergies alternatives - CEA (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Deposited On:30 Jul 2020 07:22

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