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Plasmonic antenna array at optical frequency made by nanoapertures
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10.1063/1.3010741
/content/aip/journal/apl/93/17/10.1063/1.3010741
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/17/10.1063/1.3010741
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The field-emission scanning electronic microscope image of the array of apertures perforated on 50 nm thick silver film, where the lattice period is about 300 nm and the diameter of the aperture is about 150 nm. (b) The measured and calculated optical transmission spectra of this film in perpendicular incidence. (c) The maxima of calculated charge density at the edge of the aperture. The axis is along the growth of silver film and is set at the bottom surface. Here, the wavelength of light corresponds to the transmission peak. (d) The distribution of charge density at the bottom surface of silver film, which corresponds to the transmission peak at . (e) A schematic diagram for a planar antenna array of plasmonic dipoles.

Image of FIG. 2.
FIG. 2.

(a) The configuration of TE incidence on the sample described in Fig. 1(a). The calculated far-field -plane patterns for the arrays of (b) dipoles and (c) dipoles excited by TE incidence at . The measured [(d)–(f)] and calculated [(g)–(i)] optical spectra detected at the far field , i.e., and [as shown in Fig. 1(e)]. Note that all angles are in degrees.

Image of FIG. 3.
FIG. 3.

(a) The configuration of TM incidence on the sample described in Fig. 1(a). The calculated far-field -plane patterns for the arrays of (b) dipoles and (c) dipoles excited by TM incidence at . The measured [(d)–(f)] and calculated [(g)–(i)] optical spectra detected at the far field , i.e., and [as shown in Fig. 1(e)]. Note that all angles are in degrees.

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/content/aip/journal/apl/93/17/10.1063/1.3010741
2008-10-31
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Plasmonic antenna array at optical frequency made by nanoapertures
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/17/10.1063/1.3010741
10.1063/1.3010741
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