Journal article
Electric-line-source illumination of a circular cylinder of lossless double-negative material: an investigation of near field, directivity, and radiation resistance
This work investigates the properties of an antenna-like configuration with an electric line source radiating in the presence of a double-negative circular cylinder. First, the analytical eigenfunction-series solution is derived. Second, this solution is employed in numerical calculations to study the properties of the near field, inside as well as outside the cylinder, and the far-field.
Third, the variations of these fields are examined, as well as the radiation resistance and radiation pattern, as functions of the geometrical and electromagnetic parameters of the configuration. It is demonstrated that the scattering properties of the double-negative cylinder are vastly different from those of the corresponding double-positive cylinder.
In particular, the focusing effect inside the cylinder and the angular variation of the directivity exhibit distinct characteristics
| Language: | English |
|---|---|
| Publisher: | IEEE |
| Year: | 2006 |
| Pages: | 38-54 |
| ISSN: | 15584143 and 10459243 |
| Types: | Journal article |
| DOI: | 10.1109/MAP.2006.1703397 |
| ORCIDs: | Arslanagic, Samel and Breinbjerg, Olav |
Electric resistance Electromagnetic fields Electromagnetic propagation Electromagnetic radiation Electromagnetic scattering Lighting Magnetic materials Near-field radiation pattern Permeability Permittivity antenna radiation patterns antenna-like configuration circular cylinder directivity double-negative circular cylinder eigenfunction-series solution eigenvalues and eigenfunctions electric-line-source illumination electromagnetic fields electromagnetic parameters far-field lossless double-negative material metamaterials near field radiation pattern radiation resistance
