## Abstract A nonradiative dielectric waveguide (NRD) embedded in a metamaterial with negative permittivity or permeability is proposed and theoretically characterized in this work. This dielectric waveguide structure is inherently nonradiating at bends and discontinuities, since metamaterials with
Fractional duality and metamaterials with negative permittivity and permeability
β Scribed by Q.A. Naqvi; M. Abbas
- Book ID
- 103872161
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 71 KB
- Volume
- 227
- Category
- Article
- ISSN
- 0030-4018
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## Abstract Recently, electromagnetic materials with negative permittivity and permeability values (sometime called βmedia with negative refraction indexβ) have been given much attention in the literature. Negative values of the material parameters can be achieved in composite media near resonances
## Abstract A composite medium consisting of two sublattices of dielectric spherical particles of high permittivity and different radii embedded in a dielectric matrix of smaller permittivity are considered. It has been shown that such a composite medium reveals properties of an isotropic double ne