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Babinet’s principle and the band structure of surface waves on patterned metal arrays
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10.1063/1.3406145
/content/aip/journal/jap/107/10/10.1063/1.3406145
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/10/10.1063/1.3406145
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of the experimental samples. The dotted lines indicate the unit cell of the (a) hole array and (b) disconnected patch array. The shaded area represents aluminum occupancy and the unshaded regions dielectric.

Image of FIG. 2.
FIG. 2.

Zero-order transmission measurements for patches and holes on a square array of pitch 7.02 mm. Normal incidence, electric field vector polarized across the diagonal of the patches. Schematic diagrams illustrate the connectivity of the structure.

Image of FIG. 3.
FIG. 3.

Zero-order transmission for the 3.23 mm square hole array sample as a function of in-plane momentum, , for (a) -polarized and (b) -polarized radiation. Lines indicate sets of diffracted light lines due to grating periodicities. The schematic in the bottom left corner illustrates connectivity of the sample.

Image of FIG. 4.
FIG. 4.

Zero-order transmission for the 3.10 mm square patch sample as a function of in-plane momentum, , for (a) -polarized and (b) -polarized radiation. Lines indicate sets of diffracted light lines due to the grating periodicities. The schematic in the bottom left corner illustrates connectivity of the sample.

Image of FIG. 5.
FIG. 5.

Surface current density magnitude plotted on the surface of the PEC hole array on resonance (37.6 GHz) for two unit cells, . The incident electric field is polarized along the -axis. Arrows represent the direction of the surface current at a phase corresponding to maximum surface current density.

Image of FIG. 6.
FIG. 6.

Time-averaged magnetic field enhancement plotted on resonance (37.6 GHz) through the center of two holes with arrows representing the direction of the field at a phase corresponding to maximum field enhancement, . Gray represents the metal. The incident electric field is polarized along the -axis.

Image of FIG. 7.
FIG. 7.

Time-averaged resonant magnetic fields on resonance (37.6 GHz) parallel to the direction of the incident magnetic vector (in the -direction) 3 mm below the hole array, . The field is plotted across four unit cells for clarity. White dashed lines indicate the position of the holes.

Image of FIG. 8.
FIG. 8.

Time-averaged electric field enhancement on resonance (37.4 GHz) plotted through the center of two patches with arrows representing the direction of the field at a phase corresponding to maximum field enhancement, . Gray represents the metal. The incident electric field vector is polarized along the -axis.

Image of FIG. 9.
FIG. 9.

Time—averaged resonant electric fields on resonance (37.4 GHz) parallel to the direction of the incident electric vector (in the —direction) 8 mm below the patch array, . Fields plotted across four unit cells for clarity. White dashed lines indicate the position of the patches.

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/content/aip/journal/jap/107/10/10.1063/1.3406145
2010-05-21
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Babinet’s principle and the band structure of surface waves on patterned metal arrays
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/10/10.1063/1.3406145
10.1063/1.3406145
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