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Generation of Circular Polarization Using Rectangular Waveguide with L-Type Probe
Takeshi FUKUSAKO Kazutoshi OKUHATA Kazunari YANAGAWA Nagahisa MITA
IEICE TRANSACTIONS on Communications
Publication Date: 2003/07/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antenna and Propagation
circular polarization, broadband, wide azimuthal range, rectangular waveguide, L-probe,
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The authors propose a circular polarization generator using a square waveguide with L-type probe located on a side wall of waveguide. The sides of the L-probe forming the right angle are placed perpendicular to the direction of propagation. The position of the right angle is kept at a distance of a quarter-wave length from the side wall. The device provides 27% bandwidth for 3 dB axial ratio at 8.4 GHz on azimuth interval of 160.