Aperture-Miniaturized Antenna Loaded withSplit Ring Resonator Array

ETRI Journal

关键词: aperture miniaturization;    Split ring resonator;   

Others  :  1185815
DOI  :  10.4218/etrij.09.0209.0011

【 摘 要 】

In this letter, a novel antenna with a miniaturized aperture is proposed. The substrate including a split-ring resonator array is inserted into a size-reduced open-ended waveguide. For a low return loss and high radiation efficiency, the ring arrangement is optimized, and a stepped transition using H-plane discontinuity is proposed. The proposed antenna achieves a 70% aperture reduction compared to a conventional standard waveguide antenna of WR-187 (47.6 mm×22.2 mm). The return loss drops significantly at three frequencies, and a reasonable gain is achieved. The aperture-miniaturized antenna can be used in many antenna applications such as near-field measurement.

   

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