Conference proceeding
Approximated closed form characteristic impedance for the bed of nails-based gap waveguide
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010, pp.1-3
2010
Abstract
The parallel-plate ridge gap waveguide has been introduced recently. It consists of a metal ridge in a metamaterial magnetic conductor surface, covered by a metallic plate at a small height above it. The metamaterial surface is designed to provide a frequency band where parallel-plate modes are in cut-off, thereby allowing for a conned gap wave to propagate along the ridge. In this paper, the investigation upgrades the analytical expression of the modal dispersion equation given previously, by including the first higher order mode. Furthermore, the characteristic impedance of the dominant mode is analytically calculated, by means of three different closed form expressions.
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Details
- Title
- Approximated closed form characteristic impedance for the bed of nails-based gap waveguide
- Creators
- A. PolemiStefano MaciPer-Simon Kildal - Chalmers University of TechnologyIEEE
- Publication Details
- EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010, pp.1-3
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Identifiers
- 991019170150304721
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