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Article Dans Une Revue IEEE Transactions on Antennas and Propagation Année : 2023

Ridged Meandered Waveguides for 3-D Routing and Phase Delay Control and Its Application to Discrete Lenses

Résumé

In this paper, an innovative procedure to design ridged meandered waveguides is introduced. By modulating the meandered centerline of a waveguide connecting two fixed points, new degrees of freedom to control the phase delay are obtained. Ridged meandered waveguides represent a good compromise between coaxial cables, which feature broadband operation and can be easily bended still introducing high losses and conventional waveguides, which are characterized by low losses but also narrow operational bandwidth. Ridged meandered waveguides are especially well-suited for isophase lattice expanders that can be used in beamforming networks, phased arrays or discrete 3D lens antennas. The article describes a methodology to design meandered waveguides, which is verified both analytically and experimentally through the synthesis, fabrication and test of a discrete 3D lens antenna in Ka-band (27.5-30 GHz) made using additive manufacturing.
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Dates et versions

hal-04145747 , version 1 (29-06-2023)

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Paternité - Pas d'utilisation commerciale

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Lisa Berretti, Renaud Loison, Esteban Menargues, Santiago Capdevila, Lucas Polo-López, et al.. Ridged Meandered Waveguides for 3-D Routing and Phase Delay Control and Its Application to Discrete Lenses. IEEE Transactions on Antennas and Propagation, 2023, 71 (5), pp.4017 - 4027. ⟨10.1109/tap.2023.3255515⟩. ⟨hal-04145747⟩
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