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Near-field focusing employing sinusoidally modulated reactance surfaces

Abstract : This work aims at showing the feasibility of performing 2D near-field focusing using a Leaky-Wave Lens (LWL) based on Sinusoidally Modulated Reactance Surfaces (SMRS). The polarization of the field at the focus is perpendicular to the antenna aperture, due to the geometry of the structure. Electrically small focal distances are achieved, combined with very small spot diameters. The limitations of this approach are discussed, which are mainly related to the prediction of the focal point. The concept is proven by simulations and experimental testing is in progress. © 2016 European Association of Antennas and Propagation.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01368140
Contributor : Laurent Jonchère <>
Submitted on : Monday, September 19, 2016 - 10:22:53 AM
Last modification on : Monday, October 5, 2020 - 9:50:24 AM

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I. Iliopoulos, M. Esquius-Morote, J.R. Mosig, M. García-Vigueras. Near-field focusing employing sinusoidally modulated reactance surfaces. 10th European Conference on Antennas and Propagation, EuCAP 2016, Apr 2016, Davos, Switzerland. pp.7481590, ⟨10.1109/EuCAP.2016.7481590⟩. ⟨hal-01368140⟩

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