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Optical resonances in a composite asymmetric plasmonic nanostructure
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10.1063/1.3587163
/content/aip/journal/jap/109/11/10.1063/1.3587163
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/11/10.1063/1.3587163
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic diagram of the composite metamaterial, (b) the unit cell with the corresponding structural parameters. (c) SEM image of a sample with a scale bar of 650 nm.

Image of FIG. 2.
FIG. 2.

(Color online) The zero-order transmission spectra measured (a) and simulated (b). The red solid curve is for the y-polarization, blue dot curve for the x-polarization, and the green dash curve for the . polarization relative to the y axis.

Image of FIG. 3.
FIG. 3.

(Color online) The zero-order transmission spectra simulated with the various asymmetric degree σ (the total gap width d is fixed).

Image of FIG. 4.
FIG. 4.

(Color online) The zero-order transmission spectra simulated by varying the inner radius r 1 (a), outer radius r 2 (b), and radius r 3 of the air cavity (c), respectively.

Image of FIG. 5.
FIG. 5.

(Color online) The zero-order transmission spectra simulated by adjusting the smaller gap width s 1 (a) and the bigger gap width s 2 (b), respectively.

Image of FIG. 6.
FIG. 6.

(Color online) Simulated current-density (a)–(d) and electric field (e)–(h) patterns for the transmission peaks and dip (on the x-y plane at z =− 40 nm). Here, (a) and (e), (b) and (f), (c) and (g), and (d) and (h) are plotted for the transmission peak (or dip) around the wavelength of 1246 nm, 1327 nm, 1531 nm and 732 nm, respectively.

Image of FIG. 7.
FIG. 7.

The equivalent RLC circuit of the composite plasmonic system.

Image of FIG. 8.
FIG. 8.

(Color online) Schematic diagram of the two parts of SRR with the stripe width w, the gap width d, and the film thickness t.

Image of FIG. 9.
FIG. 9.

(Color online) Schematic and coordinate system of two flat end facets carrying, respectively, the charges q1 and q2.

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/content/aip/journal/jap/109/11/10.1063/1.3587163
2011-06-07
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical resonances in a composite asymmetric plasmonic nanostructure
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/11/10.1063/1.3587163
10.1063/1.3587163
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