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Modulating the fundamental inductive-capacitive resonance in asymmetric double-split ring terahertz metamaterials
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10.1063/1.3571288
/content/aip/journal/apl/98/12/10.1063/1.3571288
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/12/10.1063/1.3571288
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Experimental configuration for the terahertz transmission measurements of a periodic array of planar metamaterials. (b) Schematic of the rectangular double SRR unit cell and the silicon substrate with a minimum feature in the splits of the rings and other structural dimensions , , and a lattice periodicity .

Image of FIG. 2.
FIG. 2.

Measured (a) and simulated (b) amplitude transmission spectra of the rectangular double SRRs with varying asymmetry. The inset of (b) shows transmission spectra of the equidirectional displaced rectangular SRRs with , respectively.

Image of FIG. 3.
FIG. 3.

(a) Simulated far-field electric field distribution of the rectangular SRRs with varying asymmetry at the LC resonance. (b) The upper and lower squares represent the numerical dip values of and at resonance frequency, respectively. The blue and red lines represent the fitting curves, in which , , , and . (c) PCR with varying asymmetry. [(d) and (e)] Simulated surface electric field distribution of equidirectionally (d) and oppositely (e) displaced SRRs with .

Image of FIG. 4.
FIG. 4.

Measured (a) and simulated (b) amplitude transmission spectra of the capacitor-enhanced double SRRs with varying asymmetry. [(c) and (d)] show the measured and simulated spectra of the crossed double SRRs. [(e) and (f)] show the measured and simulated spectra of the circular double SRRs.

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/content/aip/journal/apl/98/12/10.1063/1.3571288
2011-03-24
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Modulating the fundamental inductive-capacitive resonance in asymmetric double-split ring terahertz metamaterials
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/12/10.1063/1.3571288
10.1063/1.3571288
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