Non‐Hermitian Broadside Coupled Split Ring Resonators with Directional Sensitivity
Zhenci Sun,
Xiaoguang Zhao,
Lingyun Zhang
et al.
Abstract:Directional radiofrequency (RF) sensing, also known as radio direction finding, is essential in various applications that involve localizing RF sources. However, existing RF sensing technologies face challenges due to their large antenna sizes and complex RF signal processing circuits, which hinder the realization of miniaturized subwavelength direction sensors. In this article, a non‐Hermitian broadside coupled split ring resonators (BC‐SRRs) are presented, which can identify the direction of an incident RF s… Show more
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