Edge waves have been one of the hot spots of research in electromagnetic fields in recent years. They exist between different interfaces such as impedance interfaces which are capacitive and inductive. Different kinds of edge wave components have been invented, including transmission lines, antennas and splitters. In this work, we design an impedance interface waveguide using metamaterial unit cells. The dispersion properties of the unit cells and the impedance interface are investigated. A Vivaldi antenna is used as the transition section between the traditional microstrip line and the impedance interface waveguide to convert the transverse electromagnetic mode to edge waves. We use split ring resonators to design different filters with narrow and broad stopbands. The filters are fabricated and measured, and are consistent with simulation results. The filters have good transmission and filtering properties at high frequency. The proposed mode-matching technique and component integration method will be helpful for the development of diverse microwave components.

近年来，边缘波一直是电磁场研究的热点之一。它们存在于不同的界面之间，例如电容性和电感性的阻抗界面。已经发明了不同种类的边缘波组件，包括传输线、天线和分路器。在这项工作中，我们使用超材料晶胞设计了阻抗界面波导。研究了晶胞的色散特性和阻抗界面。Vivaldi天线用作传统微带线和阻抗接口波导之间的过渡段，将横向电磁模式转换为边缘波。我们使用裂环谐振器来设计具有窄阻带和宽阻带的不同滤波器。滤波器是制造和测量的，与模拟结果一致。该滤波器在高频下具有良好的传输和滤波特​​性。所提出的模式匹配技术和组件集成方法将有助于开发不同的微波组件。