A broadband leaky-wave aperture antenna of circular polarization
Journal
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Pages
789-792
Date Issued
2011
Author(s)
Lin, S.-K.
Abstract
This paper presents a novel circularly polarized (CP) aperture antenna with a hybrid modes of traveling wave and resonant wave. The antenna comprises a circular aperture with fan-shaped perturbation and a straight microstrip line for the antenna feed. Containing the inherent feature in traveling wave antennas, the presented antenna performs very wideband results, including a 10-dB return loss bandwidth of 57%, a 6-dB axial ratio (AR) bandwidth of 55%, and a 3-dB gain drop bandwidth of 55% measured at broadside. The presented antenna is printed on a PCB substrate for low manufacturing cost. We built a prototype for the presented antenna. A good agreement between simulation and measurement is achieved. © 2011 IEEE.
Subjects
aperture antenna; broadband antenna; Circular polarization; leaky-wave antenna; planar antenna
SDGs
Other Subjects
Antenna feeds; Aperture antennas; Axial ratio; Broad-band antenna; Circular aperture; Circularly polarized; Hybrid mode; Leaky wave antennas; Leaky-wave; Manufacturing cost; Planar antennas; Resonant waves; Return loss bandwidth; Simulation and measurement; Traveling wave; Wide-band; Bandwidth; Circular polarization; Microwave antennas; Polarization; Traveling wave antennas
Type
conference paper