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Nano Lett. 2014 May 14;14(5):2491-7. doi: 10.1021/nl5001746. Epub 2014 Apr 7.

Efficient light bending with isotropic metamaterial Huygens' surfaces.

Author information

1
Department of Electrical Engineering and Computer Science, University of Michigan , Ann Arbor, Michigan 48109-2122, United States.

Abstract

Metamaterial Huygens' surfaces manipulate electromagnetic wavefronts without reflection. A broadband Huygens' surface that efficiently refracts normally incident light at the telecommunication wavelength of 1.5 μm is reported. The electric and magnetic responses of the surface are independently controlled by cascading three patterned, metallic sheets with a subwavelength overall thickness of 430 nm. The peak efficiency of the device is significantly enhanced by reducing the polarization and reflection losses that are inherent to earlier single-layer designs.

PMID:
24689341
DOI:
10.1021/nl5001746

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