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Midinfrared metamaterials fabricated by nanoimprint lithography
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10.1063/1.2450651
/content/aip/journal/apl/90/6/10.1063/1.2450651
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/6/10.1063/1.2450651
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Figures

Image of FIG. 1.
FIG. 1.

(Color) (a) Schematic of -shaped resonators (LSRs). The design parameters are arm width , arm length , gap , spacing , and lattice constant . (b) Calculated effective permeability and effective permittivity . The magnetic resonance gives rise to negative from , while is negative because of a pronounced electric plasmon resonance in the range of . Strong reflections should occur in these two frequency bands.

Image of FIG. 2.
FIG. 2.

(Color) (a) Illustration of the nanoimprint lithography procedure. (b) The schematic of LSRs on a membrane. (c) SEM image of a fragment of the final LSR metamaterial (total size is about ). (d) SEM image of LSRs demonstrating the smallest feature size of about .

Image of FIG. 3.
FIG. 3.

(Color) (a) Illustration of the experimental configuration, in which -polarized light is incident at 70° in order to excite the magnetic response of the LSR array. (b) Reflection spectra for the -in and -out polarization configuration for LSRs suspended on the membrane (red squares) and on the substrate (blue circles), and for the membrane alone (green diamonds). (c) Reflection spectra for the -in and -out polarization configuration for LSRs on the membrane (red squares) and on the substrate (blue circles), and for the membrane alone (green diamonds). (d) Simulated reflection spectra for LSRs on a membrane. (e) Reflection spectra with -in and -out polarizations normalized against -in and -out polarizations from nanoimprinted LSRs on a membrane (red curve) and from the membrane only (green curve).

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/content/aip/journal/apl/90/6/10.1063/1.2450651
2007-02-06
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Midinfrared metamaterials fabricated by nanoimprint lithography
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/6/10.1063/1.2450651
10.1063/1.2450651
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