Composite metamaterials with dual-band magnetic resonances in the terahertz frequency regime

Ming Li, Zhenchao Wen, Jinxin Fu, Xu Fang, Yaomin Dai, Rongjuan Liu, Xiufeng Han, Xianggang Qiu

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Composite metamaterials (CMMs) combining a subwavelength metallic hole array (i.e. one-layer fishnet structure) and an array of split-ring resonators (SRRs) on the same board are fabricated with gold films on a silicon wafer. Transmission measurements of the CMMs in the terahertz range have been performed. Dual-band magnetic resonances, namely, an LC resonance at 4.40 THz and an additional magnetic resonance at 8.64 THz originating from the antiparallel current in wire pairs in the CMMs, are observed when the electrical field polarization of the incident light is parallel to the gap of the component SRR. The numerical simulations agree well with the experimental results and further clarify the nature of the dual-band magnetic resonances.

本文言語English
論文番号115420
ジャーナルJournal of Physics D: Applied Physics
42
11
DOI
出版ステータスPublished - 2009
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 音響学および超音波学
  • 表面、皮膜および薄膜

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