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Dual-band terahertz metamaterials based on nested split ring resonators
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10.1063/1.4748163
/content/aip/journal/apl/101/9/10.1063/1.4748163
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/9/10.1063/1.4748163

Figures

Image of FIG. 1.
FIG. 1.

(a) Single eSRR structures SRR1, SRR2, and dual-band nested SRR structure A and (b) single eSRR structures SRR3, SRR4 and dual-band nested SRR structure B with the following geometric parameters: l = 52 μm, l 2 = 36 μm, g = 16 μm, g1  = 20 μm, g2  = 8 μm, g3  = 4 μm, and w = 4 μm. The lattice constant p is set to be 60 μm.

Image of FIG. 2.
FIG. 2.

Simulated transmission characteristics of the dual-band THz metamaterials: (a) structure A and (b) structure B.

Image of FIG. 3.
FIG. 3.

Surface current densities (a) for structure A at the primary resonance frequency of 0.98 THz, (b) for structure B at the primary resonance frequency of 0.8 THz, and (c) for structure A at the second resonance frequency of 2.52 THz, (d) for structure B at the second resonance frequency of 2.1 THz. (e) Equivalent circuit representation based on surface current density distribution at the second resonant frequency.

Image of FIG. 4.
FIG. 4.

Transmission characteristic of the two fabricated metamaterials. The simulated transmission characteristics of (a) structure A and (b) structure B. The measured transmission characteristics of (c) the structure A and (d) the structure B. Insets in (c) and (d) show SEM images of the fabricated metamaterials.

Tables

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Table I.

Performance comparison of the fabricated dual-band MMs.

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/content/aip/journal/apl/101/9/10.1063/1.4748163
2012-08-27
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dual-band terahertz metamaterials based on nested split ring resonators
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/9/10.1063/1.4748163
10.1063/1.4748163
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