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Improvement of the Scanning Performance of the Extended Hemispherical Integrated Lens Antenna Using a Double Lens Focusing System

Abstract : We demonstrate that an integrated lens antenna (ILA) with a double lens (DL) focusing system can provide simultaneously a high broadside directivity and a low scan loss over a wide angular range. The proposed DL ILA system consists of a hemispherical substrate lens and a planoconvex objective lens. A prototype of a high-gain DL ILA with lenses made of a low permittivity dielectric material is fabricated and characterized in the frequency range of 75-79 GHz. The realized scan loss in terms of gain within a ±30° field of view is <1.1 dB in both planes. The performance of the DL ILA is compared with that of two hemispherical ILAs designed to provide the best broadside directivity and the lowest scan loss, respectively. © 2016 IEEE.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01368136
Contributor : Laurent Jonchère <>
Submitted on : Monday, September 19, 2016 - 10:22:45 AM
Last modification on : Tuesday, October 6, 2020 - 3:09:48 AM

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N.T. Nguyen, A.V. Boriskin, L. Le Coq, R. Sauleau. Improvement of the Scanning Performance of the Extended Hemispherical Integrated Lens Antenna Using a Double Lens Focusing System. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2016, 64 (8), pp.3698--3702. ⟨10.1109/TAP.2016.2572227⟩. ⟨hal-01368136⟩

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