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A Parallel-Plate Lens for Mechanical Wide-Angle Beam Scanning : (Invited Paper)

Abstract : This paper presents a parallel-plate waveguide lens for wide-angle mechanical beam steering. A previously developed ray-tracing procedure is used for designing the quasi-optical system. The feed system is based on gap waveguide technology enabling a simple and rapid mechanical actuation. Validation of the proposed concept is given by numerical results for a Ka-band lens design. A high scanning performance over an angular range of ± 50° with a worst-case scan loss of about 3 dB is achieved. The simulated return loss is greater than 15dB in the 27.5-31 GHz band. The proposed lens beamformer is an attractive ground-segment solution for future Satcom applications. © 2021 EurAAP.
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Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Thursday, June 3, 2021 - 4:59:12 PM
Last modification on : Wednesday, April 27, 2022 - 4:36:26 AM



T. Strober, S. Tubau, H. Legay, G. Goussetis, Mauro Ettorre. A Parallel-Plate Lens for Mechanical Wide-Angle Beam Scanning : (Invited Paper). 15th European Conference on Antennas and Propagation, EuCAP 2021, Mar 2021, Dusseldorf, Germany. pp.9410991, ⟨10.23919/EuCAP51087.2021.9410991⟩. ⟨hal-03248735⟩



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