Approximated closed form characteristic impedance for the bed of nails-based gap waveguide
Paper in proceedings, 2010

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.

Author

A. Polemi

Stefano Maci

Per-Simon Kildal

Chalmers, Signals and Systems, Kommunikationssystem, informationsteori och antenner, Antennas

EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010

Subject Categories

Electrical Engineering, Electronic Engineering, Information Engineering

ISBN

978-1-4244-6431-9

More information

Created

10/6/2017