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Resonance behavior of single ultrathin slot antennas on finite dielectric substrates in terahertz regime
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10.1063/1.3437091
/content/aip/journal/apl/96/21/10.1063/1.3437091
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/21/10.1063/1.3437091
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Figures

Image of FIG. 1.
FIG. 1.

(a) Spatial dimensions of a slot antenna on a finite substrate. (b) (Normalized-to-area transmitted) field (amplitude) enhancements of diverse widths of slot antennas in free space with fixed length and thickness , calculated with a modal expansion model for PEC.

Image of FIG. 2.
FIG. 2.

(a) Three-dimensional FDTD simulations of field enhancements of a width slot antenna on diverse thickness of SiN substrate. (b) Resonance frequency shift in a and a 150 nm width slot antenna as a function of the SiN substrate thickness.

Image of FIG. 3.
FIG. 3.

(a) SEM image of a slot antenna with the length of and the width of about 150 nm. (b) Schematic of our experimental method.

Image of FIG. 4.
FIG. 4.

(a) Normalized (transmitted) amplitude spectra measured through slot antennas with length , and different widths (, 500 nm, , , and ) on the thick SiN substrate. (b) The same as (a) but with a thick Si substrate. (c) The FDTD simulations for SiN, and (d) for Si substrate.

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/content/aip/journal/apl/96/21/10.1063/1.3437091
2010-05-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Resonance behavior of single ultrathin slot antennas on finite dielectric substrates in terahertz regime
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/21/10.1063/1.3437091
10.1063/1.3437091
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