In this work, preliminary results on the design of a dielectric transmitarray (TA) antenna are presented. The unit-cell consists in two circular cylinders located on the two sides of a thin square slab, with size 0.3λ at the central frequency, realized with the same dielectric material of the cylinders. The amplitude and phase of the transmission coefficient are controlled varying the diameter of the cylinders, while their height is kept constant. In order to minimize the unit-cell thickness, but at the same time assuming that 3D printing techniques will be used for the TA manufacturing, a dielectric material with εr=10 is considered. The results obtained from the simulation of a transmitarray working in Ka-band with size 15λ×15λ are presented and discussed.

Space-fed antenna based on dielectric-only transmitarray / Massaccesi, A.; Pirinoli, P.. - ELETTRONICO. - (2022), pp. 1-4. ((Intervento presentato al convegno 2022 16th European Conference on Antennas and Propagation (EuCAP) tenutosi a Madrid, Spain nel 27 March 2022 - 01 April 2022 [10.23919/EuCAP53622.2022.9769213].

Space-fed antenna based on dielectric-only transmitarray

Massaccesi, A.;Pirinoli, P.
2022

Abstract

In this work, preliminary results on the design of a dielectric transmitarray (TA) antenna are presented. The unit-cell consists in two circular cylinders located on the two sides of a thin square slab, with size 0.3λ at the central frequency, realized with the same dielectric material of the cylinders. The amplitude and phase of the transmission coefficient are controlled varying the diameter of the cylinders, while their height is kept constant. In order to minimize the unit-cell thickness, but at the same time assuming that 3D printing techniques will be used for the TA manufacturing, a dielectric material with εr=10 is considered. The results obtained from the simulation of a transmitarray working in Ka-band with size 15λ×15λ are presented and discussed.
2022
978-88-31299-04-6
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2973892