UDC 621.396.1
Linear antenna of transverse
polarization on the dielectric groove waveguide
Yu.
E. Sedelnikov, Mohamed Shaaban
Kazan National Research Technical University named after A. N.
Tupolev – KAI, 10 Karl Marx Str., Kazan, 420111, Russia
The paper is received on April 24, 2019, after correction - on May
26, 2019
Abstract. The problem of
constructing of millimeter band antennas, based on dielectric waveguide
structures, is considered. For the construction of antennas with radiation
polarized in the plane perpendicular to the waveguide axis, the new type of
linear antenna containing metal pins on the side walls of the grooved
dielectric waveguide is offered. The main disadvantage of these antennas is
revealed, which consists in the presence of cross-polarized radiation in
directions close to the axis of the waveguide. A new modification of the
antenna with polarization in the transverse plane, made in the form of a closed
groove waveguide with a longitudinal slot in the upper wall, is proposed. The data
of electrodynamic modeling are presented, confirming the operability of the
proposed antennas.
Key words: millimeter waveband,
antenna array, dielectric waveguide, leaky wave antenna, cross
polarization, electrodynamics modeling.
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