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

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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https://hal-cea.archives-ouvertes.fr/cea-03637097
Contributor : Antonio Clemente Connect in order to contact the contributor
Submitted on : Monday, April 11, 2022 - 1:44:00 PM
Last modification on : Wednesday, May 4, 2022 - 3:17:28 AM
Long-term archiving on: : Tuesday, July 12, 2022 - 6:32:10 PM

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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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