Tunable terahertz metamaterials with negative permeability
Idioma
en
Article de revue
Este ítem está publicado en
Physical Review B: Condensed Matter and Materials Physics (1998-2015). 2009-06-24, vol. 79, n° 24, p. 241108 (1-4)
American Physical Society
Resumen en inglés
We demonstrate experimentally and theoretically dielectric metamaterials exhibiting a tunable range of negative effective permeability in the terahertz spectral region (0.2–0.36 THz). Our structures consist of an array of ...Leer más >
We demonstrate experimentally and theoretically dielectric metamaterials exhibiting a tunable range of negative effective permeability in the terahertz spectral region (0.2–0.36 THz). Our structures consist of an array of intrinsically nonmagnetic rods made of an incipient ferroelectric SrTiO_3 which shows a high tunable permittivity. The magnetic response and its tuning are achieved by a temperature control of the permittivity of SrTiO_3, which defines the resonant confinement of the electromagnetic field within the rods.< Leer menos
Palabras clave en inglés
PACS : 42.25.Bs
77.84.-s
78.20.Bh
78.20.Ci
Orígen
Importado de HalCentros de investigación