A Perspective on the Recent Progress of Fabry-Perot Resonator Antenna

Fabry Perot Resonant Antenna (FPRA), as a two-dimensional leaky wave antenna, has attracted extensive attention in the microwave field due to its high aperture efficiency, compact structure and other advantages. In this paper, we review the latest technology of FPR antenna, as well as current trends and internal challenges, mainly focusing on different functions, technologies and architectures proposed in the literature. Some interesting recent research topics were also investigated in detail, including the author's recent works.