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E-Band Substrate Integrated Waveguide Orthomode Transducer Integrated With Dual-Polarized Horn Antenna

Release time:2019-08-08

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Affiliation of Author(s):UESTC

Teaching and Research Group:CRFICS

Journal:IEEE Transactions on Antennas and Propagation

Key Words:Transducers , Horn antennas , Substrates , Metals , Slot lines , Insertion loss , Antenna accessorie

Indexed by:Applied Research

Volume:66

Issue:5

Page Number:2291-2298

Translation or Not:no

Date of Publication:2018-03-16

This paper presents an E-band substrate integrated waveguide (SIW) dual-polarized antenna system, which consists of an orthomode transducer (OMT) and a dual-polarized horn antenna. On the basis of a two-layer substrate design, the function of OMT is realized by utilizing an SIW section to excite TE10 mode for the vertical polarization, a quasi-coaxial stripline to excite quasi-TEM mode for the horizontal polarization. And also, a slot line transition is placed at the common port of the two structures for impedance matching with the ridge SIW dual-polarized horn antenna. In this way, the dual-p

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