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Subwavelength grating structures with magnetic resonances at visible frequencies fabricated by nanoimprint lithography for large area applications
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10.1116/1.3243228
/content/avs/journal/jvstb/27/6/10.1116/1.3243228
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/27/6/10.1116/1.3243228
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic and (b) SEM image of the SRRG structure. The loops in (a) shows the excited current due to the incident light that creates a magnetic field along the grating direction.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Schematic and (b) SEM image of the CSRRG structure. The two sets of loops in (a) now show the two distinct split rings with one containing an air dielectric gap, while the other has a fused silica dielectric gap.

Image of FIG. 3.
FIG. 3.

(Color online) Experimental and simulation results for the (a) TE mode and (b) TM mode for the SRRG structure. For the TE mode, an additional plot is added, showing the similarities to a flat Ag film.

Image of FIG. 4.
FIG. 4.

(Color online) COMSOL simulations for the discontinuous structure at resonance , showing the normal component of the magnetic field. The direction (normalized magnitude) of the electric displacement is shown with arrows which would lead to a magnetic field opposing the incoming field inside the loop.

Image of FIG. 5.
FIG. 5.

(Color online) Experimental and simulation results for the (a) TE mode (along with flat Ag film simulation) and (b) TM mode for the CSRRG structure.

Image of FIG. 6.
FIG. 6.

(Color online) COMSOL simulations for the continuous structure at (a) an electric resonance and (b) a magnetic resonance , showing the normal component of the magnetic field. The direction (normalized magnitude) of the electric displacement is shown with arrows.

Image of FIG. 7.
FIG. 7.

(Color online) (a) Diagram of the proposed stack structure made from of Ag deposited on mr-I and coated again with mr-I. Simulation results showing the (b) effective of the structure, (c) effective , and (d) effective of the structure using different damping factors (, ). The highlighted area shows the bandwidth of the negative index region for .

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/content/avs/journal/jvstb/27/6/10.1116/1.3243228
2009-12-07
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Subwavelength grating structures with magnetic resonances at visible frequencies fabricated by nanoimprint lithography for large area applications
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/27/6/10.1116/1.3243228
10.1116/1.3243228
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