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Truncated Leaky-Wave Antenna With Cosecant-Squared Radiation Pattern

Abstract : We propose here a mechanically simple leaky-wave antenna generating a cosecant-squared radiation pattern. The antenna topology is a superstrate configuration made by a truncated dielectric layer over a ground plane and fed by a single open-ended horn on the ground plane. The truncation of the dielectric layer and the size of the feed are engineered to excite a one-sided leaky-wave mode traveling along the superstrate and generating a cosecant-squared radiation pattern. The design of a structure operating at 10 GHz is then proposed. The structure presents a radiation pattern with its main beam pointing at theta = -23 degrees in elevation with a cosecant-squared shape within an angular range of about 70 degrees. The proposed design is validated by measurements at the X-band.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01806899
Contributor : Laurent Jonchère <>
Submitted on : Monday, June 4, 2018 - 11:14:41 AM
Last modification on : Monday, October 5, 2020 - 9:50:27 AM

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Francesco Scattone, Mauro Ettorre, Berhanu Eddo, Ronan Sauleau, Nelson J. G. Fonseca. Truncated Leaky-Wave Antenna With Cosecant-Squared Radiation Pattern. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2018, 17 (5), pp.841-844. ⟨10.1109/LAWP.2018.2818668⟩. ⟨hal-01806899⟩

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