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Journal article

Miniaturised self-resonant split-ring resonator antenna

By Kim, Oleksiy S.1,2; Breinbjerg, Olav1,2

From

Electromagnetic Systems, Department of Electrical Engineering, Technical University of Denmark1

Department of Electrical Engineering, Technical University of Denmark2

A self-resonant miniaturized antenna composed of a broadside-coupled split-ring resonator (SRR) and an excitation arc-shaped monopole is presented. The size of the antenna and its resonance frequency is essentially defined by the SRR dimensions and geometry, while the input resistance at the resonance is governed by the arc length of the monopole.

Numerical and experimental results are presented for an antenna configuration of 1/23.4 wavelength in diameter (ka~0.134). The antenna is tuned to 50 ohms without any matching network, and its efficiency is measured to be 17.5%.

Language: English
Year: 2009
Pages: 196-197
ISSN: 1350911x and 00135194
Types: Journal article
DOI: 10.1049/el:20093244
ORCIDs: Kim, Oleksiy S. and Breinbjerg, Olav
Keywords

Antenna theory Electrically small antennas Metamaterials Monopole antennas SRR Split-ring resonator Tuning

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