Split ring resonator-based left-handed coplanar waveguide
Martín, Ferran, (Martín Antolín)
![Identificador ORCID](/img/uab/orcid.ico)
(Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Bonache Albacete, Jordi ![Identificador ORCID](/img/uab/orcid.ico)
(Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Falcone Lanas, Francisco (Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación)
Sorolla Ayza, Mario (Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación)
Marqués, R. (Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo)
American Physical Society
Fecha: |
2003 |
Resumen: |
In this letter, a planar left-handed propagating medium consisting of a coplanar waveguide (CPW) inductively coupled to split ring resonators (SRR) and periodically loaded with narrow metallic wires is proposed. The wires make the structure behave as a microwave plasma with a negative effective permittivity which covers a broad frequency range. The negative permeability required to achieve left-handed wave propagation is provided by the rings in the vicinity of their resonant frequency. The result is a structure which allows negative wave propagation in a narrow frequency band. The transmission coefficient measured in a fabricated prototype device exhibits very low insertion losses in the pass band and high-frequency selectivity. Since rings are much smaller than signal wavelength at resonance and can be easily tuned, SRR-CPW-based structures are of interest for the design of very compact microwave circuits based on left handedness. |
Derechos: |
Tots els drets reservats. ![](/img/licenses/InC.ico) |
Lengua: |
Anglès |
Documento: |
Article ; recerca ; Versió publicada |
Materia: |
Planar waveguides ;
Wave propagation ;
Coupled resonators ;
Microwave circuits ;
Microwaves ;
Permittivity ;
Transmission coefficient ;
Transmission measurement |
Publicado en: |
Applied physics letters, Vol. 83, Issue 22 (November 2003) , p. 4652-4654, ISSN 1077-3118 |
DOI: 10.1063/1.1631392
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