DocumentCode
160868
Title
Circularly polarized broadband waveguide antenna using L-shaped probe
Author
Yamauchi, Ryoji ; Fukusako, Takeshi
Author_Institution
Kumamoto Univ., Kumamoto, Japan
fYear
2014
fDate
4-6 Aug. 2014
Firstpage
237
Lastpage
238
Abstract
An L-shaped probe can generate circular polarization, combining with surrounding aperture, such as waveguides. And the waveguide antenna using L-shaped probe has broadband characteristics in axial ratio (AR) and input impedance, however cross-polarization (XPOL) is easily generated due to its asymmetrical structure resulting in a narrow azimuth range for circular polarization. This paper discussed a design technique to reduce XPOL generated from a circular waveguide antenna using the L-shaped probe.
Keywords
aperture antennas; broadband antennas; electromagnetic wave polarisation; waveguide antennas; L-shaped probe; XPOL antenna; asymmetrical structure; axial ratio; circularly polarized broadband waveguide antenna; cross-polarization; input impedance; Broadband antennas; Broadband communication; Probes;
fLanguage
English
Publisher
ieee
Conference_Titel
Electromagnetics (iWEM), 2014 IEEE International Workshop on
Conference_Location
Sapporo
Type
conf
DOI
10.1109/iWEM.2014.6963724
Filename
6963724
Link To Document