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http://dx.doi.org/10.5515/KJKIEES.2018.29.1.36

Implementation of A Millimeter-Wave Multiflare-Angle Horn Antenna  

Oh, Kyung-Hyun (Hanwha Sysmtems)
Kim, Ji-Hyung (Hanwha Sysmtems)
Yang, Seung-Sik (Hanwha Sysmtems)
Shin, Sang-Jin (C4ISR Technical Team, Defense Industry Technology Center)
Cho, Young-Ho (C4ISR Technical Team, Defense Industry Technology Center)
Lee, Byung-Ryul (Department of Defense Program, Kwangwoon University)
Ahn, Bierng-Chearl (Department of Radio and Communications Engineering, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.29, no.1, 2018 , pp. 36-41 More about this Journal
Abstract
This paper presents an implementation of a millimeter-wave(W band) multiflare-angle horn antenna. The proposed antenna is a multimode dual-polarized square horn having equal E- and H-plane beamwidths and consists of a multimode generating section, a four-square-waveguide exciter, orthomode transducers, and power combiners for the sum pattern formation. The antenna structure has been designed to allow for easy fabrication and the designed antenna has been fabricated to a precision of ${\pm}0.02mm$ by layer-by-layer machining and diffusion bonding. The input reflection coefficient and the radiation pattern of the fabricated antenna have been measured using a network analyzer and a far-field test facility. Measurements show that the proposed antenna has 17.7~18.3 dBi gain, $25.2{\sim}28.5^{\circ}$ beamwidth, and an input VSWR between 1.02~1.75, within ${\pm}0.5GHz$ from the center frequency.
Keywords
Millimeter Wave; Multiflare-Angle Horn; Diffusion Bonding; Precision Machining;
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