Transitions between Gap Waveguides for use in a phased array antenna fed by a Rotman lens

This paper presents two slot-coupled vertical transitions between Gap Waveguides placed in different layers; this transitions will be later used in a phased array antenna fed by a Rotman lens in the Ka band. The first proposed transition connects two ridge-gap waveguides by an H-type slot and the se...

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Bibliographic Details
Main Authors: Carrera Suarez, Luis Fernando, Navarro Mendez, Diana Veronica, Baquero-Escudero, Mariano, Bernardo-Clemente, Bernardo, Martinez Giner, Sara
Format: Conference Proceeding
Language:English
Subjects:
Antennas and propagation
Arrays
Bandwidth
Europe
gap waveguide
Lenses
Metals
metamaterial
Rotman lens
Waveguide discontinuities
Online Access:Request full text
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Summary:This paper presents two slot-coupled vertical transitions between Gap Waveguides placed in different layers; this transitions will be later used in a phased array antenna fed by a Rotman lens in the Ka band. The first proposed transition connects two ridge-gap waveguides by an H-type slot and the second transition uses a twist to connect a ridge-gap waveguide and groove-gap waveguide horizontally polarized. Results show an 11% of bandwidth for the first transition and a 2.6% of bandwidth for the second transition, which may be enough for many applications.
ISSN:2164-3342
DOI:10.1109/EuCAP.2014.6901875