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Extraordinary transmission from high-gain nanoaperture antennas
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10.1063/1.3436726
/content/aip/journal/apl/96/21/10.1063/1.3436726
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/21/10.1063/1.3436726
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Structure geometry. (a) SEM image showing aluminum surface and bowtie aperture and [(b) and (c)] schematic of aperture and grating geometry.

Image of FIG. 2.
FIG. 2.

(a) SEM images of single bowtie and bowtie with grating, (b) far-field images of single bowtie without grating (top) and without grating (bottom), (c) NSOM images of single bowtie without grating (top) and bowtie with grating (bottom), (d) calculated ratio between the output power from the antenna/grating structure and the power incident on the open area of the bowtie aperture, and (e) enhancement achieved by adding the grating to the aperture, where the symbols ◻, ○, ◼, and ● correspond to the enhancement simulated in the near-field, simulated in the far-field, measured in the near-field, and measured in the far-field, respectively.

Image of FIG. 3.
FIG. 3.

Numerical simulations. (a) Electric field on plane for bowtie antenna/grating structure—the inset shows the electric field for a bowtie without grating. Both images are saturated at 2 V/m. (b) and (c) Polar plots of the far-field angular distributions for bowtie aperture without the grating and bowtie antenna/grating antenna, respectively.

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/content/aip/journal/apl/96/21/10.1063/1.3436726
2010-05-26
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Extraordinary transmission from high-gain nanoaperture antennas
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/21/10.1063/1.3436726
10.1063/1.3436726
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