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A triple-slot active reflectarray cell using a ferroelectric capacitor

Abstract : A tunable reflectarray phase-shifting cell, designed for a resonance frequency of 5.5 GHz, is presented. The cell is based on a triple-slot topology and loaded by a ferroelectric thin film capacitor with 60% tunability under 400 kV/cm bias electric field. The use of three slots allows reducing the losses and increasing the bandwidth of the cell. The cell provides 270 degrees of phase range with a maximum of 6 dB loss in the band.
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Submitted on : Monday, February 16, 2015 - 11:02:29 AM
Last modification on : Wednesday, April 27, 2022 - 3:51:22 AM
Long-term archiving on: : Thursday, May 28, 2015 - 3:10:39 PM


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  • HAL Id : hal-01116821, version 1


Kevin Nadaud, Raphaël Gillard, Erwan Fourn, Caroline Borderon, Hartmut Gundel. A triple-slot active reflectarray cell using a ferroelectric capacitor. European Conference on Antennas and Propagation, Apr 2015, Lisbonnes, Portugal. ⟨hal-01116821⟩



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