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

doi:10.1088/0022-3727/42/11/115420

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

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

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.

Original language	English
Article number	115420
Journal	Journal of Physics D: Applied Physics
Volume	42
Issue number	11
DOIs	https://doi.org/10.1088/0022-3727/42/11/115420
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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10.1088/0022-3727/42/11/115420

Cite this

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abstract = "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.",

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T1 - Composite metamaterials with dual-band magnetic resonances in the terahertz frequency regime

AU - Li, Ming

AU - Wen, Zhenchao

AU - Fu, Jinxin

AU - Fang, Xu

AU - Dai, Yaomin

AU - Liu, Rongjuan

AU - Han, Xiufeng

AU - Qiu, Xianggang

PY - 2009

Y1 - 2009

N2 - 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.

AB - 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.

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

Abstract

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