Tailoring dual-band electromagnetically induced transparency in planar metamaterials

The transmission characteristics of a planar metamaterial, composed of two finite metal strips (with different length) and one double split-ring resonator, have been numerically and experimentally investigated in this paper. By varying the length of the two strips slightly, this structure can exhibi...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Journal of applied physics 2015-01, Vol.117 (4)
Hauptverfasser: Hu, Sen, Yang, Helin, Han, Song, Huang, Xiaojun, Xiao, Boxun
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The transmission characteristics of a planar metamaterial, composed of two finite metal strips (with different length) and one double split-ring resonator, have been numerically and experimentally investigated in this paper. By varying the length of the two strips slightly, this structure can exhibit single-band and dual-band electromagnetically induced transparency (EIT)-like spectral response in microwave region. The dark mode can be excited because of the length difference of the two metal strips, which can lead to a very asymmetric Fano-like resonance or gradually EIT-like profile in transmission. So the dual-band EIT-like physical mechanism is characterized by two bright-dark coupling modes. Our work provides a way to obtain multiple EIT-like effect, and it may achieve potential applications in a variety of fields including filters, sensing, and some other microwave devices.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4906853