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Mechanisms of subdiffraction free-space imaging using a transmission-line metamaterial superlens: An experimental verification
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10.1063/1.2904635
/content/aip/journal/apl/92/13/10.1063/1.2904635
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/13/10.1063/1.2904635
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

NRI-TL superlens unit cell.

Image of FIG. 2.
FIG. 2.

NRI-TL superlens dispersion characteristics determined using the equivalent-circuit theory (curves) and full-wave finite-element-method simulation data obtained using Ansoft’s HFSS (circles): (a) phase shift per unit cell , (b) relative effective material parameters (dashed blue curve), (dotted green curve). (i) The Veselago-Pendry superlensing condition achieved at , (ii) resonance in at , and (iii) resonance in at .

Image of FIG. 3.
FIG. 3.

Fabricated Veselago-Pendry NRI-TL superlens (, ). Inset: unit cells on layers loaded using surface-mount elements.

Image of FIG. 4.
FIG. 4.

Measured normalized transverse field profiles at the focal plane vs frequency from (black curve represents the continuous half-power contour). Super-resolution evident at 2.40 and .

Image of FIG. 5.
FIG. 5.

Measured transverse field profiles at (red solid curve) and (blue dashed curve) normalized to the maximum field value of the former.

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/content/aip/journal/apl/92/13/10.1063/1.2904635
2008-03-31
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Mechanisms of subdiffraction free-space imaging using a transmission-line metamaterial superlens: An experimental verification
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/13/10.1063/1.2904635
10.1063/1.2904635
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