2024
DOI: 10.2528/pierm24012403
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An Antipodal Vivaldi Antenna with a Lower Cutoff Frequency Based on Spoof Surface Plasmon Polaritons and Corrugated Edges

Baoping Ren,
Chenguang Zhao,
Xuehui Guan
et al.

Abstract: In this paper, an antipodal Vivaldi antenna (AVA) with a lower cutoff frequency is proposed based on spoof surface plasmon polaritons (SSPPs) and corrugated edges. Firstly, the gradient slots are etched on the outer edges of the two radiation arms of the conventional antipodal Vivaldi antenna. As a result, the low cutoff frequency is decreased slightly due to the increased surface current path of the antenna. More importantly, the SSPPs structure with identical units is etched on the inner side of two radiatio… Show more

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