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Title: Low cost dielectric flat lens for near-field focusing
Authors: Vaquero, A. F.
Arrebola, M.
Pino, M. R.
Costa, J. R.
Matos, S. A.
Fernandes, C. A.
Keywords: 3D-printed lens
Dielectric flat lens
Near-field focusing
Issue Date: 2018
Publisher: IEEE
Abstract: This paper presents a NF-focused antenna based on a low-cost dielectric planar lens. The working principle is based on the variation of dielectric material density in order to obtain a variation in the effective ?_r. A prototype in the 28GHz band is designed and manufactured with a 3D printer using Polylactic Acid (PLA) material. The breadboard is simulated with a full wave tool and measured in an XYZ planar range, resulting in a very good agreement between simulations and measurements.
Peer reviewed: yes
Appears in Collections:IT-CRI - Comunicações a conferências internacionais

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