Miniaturized Wideband Antenna with Low Profile Based on Dual-Layer Metasurface

A novel miniaturised wideband antenna based on dual-layer metasurface (MS) is proposed in this study. It is composed of three metallic and two substrate layers. The top metallic layer is the MS whose unit is a square patch etched four interlaced quarter arc-shaped slots (PQAS). The middle metallic layer is a circular ring patch. The bottom metallic layer is the MS formed by the square metal ring (...