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Conference Papers Year : 2021

Analysis and efficient design of sub-THz transmitarrays with three anisotropic layers

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Abstract

In this paper, we study the transmission behavior of a three-layer architecture comprising anisotropic FSS layers with applications to the optimal design of transmitarray (TA) antennas. We employ a theoretical analysis considering the depolarizing properties of the middle layer. We derive a condition showing that we can cover the full phase of transmission achieving at the same time zero insertion loss (IL). Lastly, a 3-bit 40×40 TA is realized at 300 GHz, based on the previous analysis. The antenna is able to attain a maximum gain of 35.1 dBi with an aperture efficiency of 64.8%, which is only 0.5 dB less than the ideal case of a TA with full transmission and perfect phase compensation.
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Dates and versions

cea-03637097 , version 1 (11-04-2022)

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Orestis Koutsos, Francesco Manzillo, Antonio Clemente, Ronan Sauleau. Analysis and efficient design of sub-THz transmitarrays with three anisotropic layers. EuCAP 2021 - 15th European Conference on Antennas and Propagation, Mar 2021, Düsseldorf (Virtual conference), Germany. pp.9410974, ⟨10.23919/EuCAP51087.2021.9410974⟩. ⟨cea-03637097⟩
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