Title :
A high gain planar antenna with improved bandwidth using a Fabry-Pérot resonator
Author :
Mirbach, Michael ; Menzel, Wolfgang
Author_Institution :
Inst. of Microwave Tech., Univ. of Ulm, Ulm, Germany
Abstract :
A high gain Fabry-Pérot cavity antenna with broadband performance is presented. A thinned 2×2 array of microstrip patch antennas is used to feed the cavity which is formed by a metal ground plane and a partially reflective surface (PRS). The bandwidth enhancement is achieved by the use of an optimized PRS structure. Two different PRS are examined, both consisting of periodic metallo-dielectric arrays printed on a double layer and a novel single layer setup, respectively. Prototype antennas have been fabricated and measured obtaining a relative bandwidth of 3.4% and 4.4%, respectively.
Keywords :
Fabry-Perot resonators; antenna feeds; bandwidth allocation; cavity resonators; microstrip antenna arrays; planar antenna arrays; Fabry-Perot cavity resonator; antenna feeds; bandwidth enhancement; metal ground plane; microstrip patch antennas; optimized PRS structure; partially reflective surface; periodic metallo-dielectric arrays; planar antenna; prototype antennas; Bandwidth; Broadband antennas; Feeds; Microstrip antenna arrays; Microstrip antennas; Microstrip components; Patch antennas; Performance gain; Planar arrays; Prototypes; Fabry-Pérot cavity; array antennas; high-gain antennas; partially reflective surface; periodic structures;
Conference_Titel :
Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on
Conference_Location :
Barcelona
Print_ISBN :
978-1-4244-6431-9
Electronic_ISBN :
978-84-7653-472-4
