A zero beam-squinting leaky-wave antenna using NRI-TL metamaterials
AuthorKossifos, K. M.
Antoniades, Marcos A.
PublisherInstitute of Electrical and Electronics Engineers Inc.
Edition2015 9th European Conference on Antennas and Propagation, EuCAP 2015
Source2015 9th European Conference on Antennas and Propagation, EuCAP 2015
2015 9th European Conference on Antennas and Propagation, EuCAP 2015
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A planar zero beam-squinting leaky-wave antenna is proposed at 5 GHz, consisting of a periodic arrangement of negative-refractive-index transmission-line (NRI-TL) metamaterial unit cells. The antenna is centre-fed through a 50-ohm transmission line, and the two constituent parallel branches of the antenna each consist of twelve 100-ohm NRI-TL metamaterial unit cells. Each branch of the antenna radiates a beam in opposite directions, and the combination of the two beams results in a symmetric broadside beam over a wide zero-scanning bandwidth of 1.2 GHz (24%). © 2015 EurAAP.
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