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Controlling electromagnetic waves using tunable gradient dielectric metamaterial lens
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10.1063/1.2896308
/content/aip/journal/apl/92/13/10.1063/1.2896308
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/13/10.1063/1.2896308
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The proposed dielectric particle with a thin metallic rod inside and the EM responses. (a) Unit cell configuration. (b) EM responses at , in which a strong electric resonance is observed. (c) EM responses at , in which a strong magnetic resonance is observed.

Image of FIG. 2.
FIG. 2.

The comparison of measurement and simulation results of reflection coefficients when the height of metallic rod is 3.5, 5.8, and . The inset is the photograph of the tunable dielectric-metal particle.

Image of FIG. 3.
FIG. 3.

The retrieved effective refraction indexes of the proposed dielectric metamaterial from measured and simulated parameters when .

Image of FIG. 4.
FIG. 4.

The retrieved real parts of refraction indexes with different height of rod .

Image of FIG. 5.
FIG. 5.

The electric field distributions inside the three lenses under the excitation of plane waves, in which the deflecting property is observed.

Image of FIG. 6.
FIG. 6.

The electric field distributions inside the larger lenses under the excitation of plane waves, in which the focusing property is observed.

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/content/aip/journal/apl/92/13/10.1063/1.2896308
2008-04-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Controlling electromagnetic waves using tunable gradient dielectric metamaterial lens
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/13/10.1063/1.2896308
10.1063/1.2896308
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