Journal
NANO LETTERS
Volume 14, Issue 5, Pages 2491-2497Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl5001746
Keywords
Metamaterial; metasurface; Huygens; lens; plasmonics
Categories
Funding
- NSF Materials Research Science and Engineering Center (MRSEC) program [DMR 1120923]
- US Air Force grant [FA4600-06-D003]
- Presidential Early Career Award for Scientists and Engineers [FA9550-09-1-0696]
- AFOSR [FA9550-12-1-0024]
- Army Research Office [W911NF-09-1-0539, W911NF-13-1-0226]
- National Science Foundation (NSF) Partnerships for Research and Education in Materials (PREM) grant [DRM 0611430]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1205457] Funding Source: National Science Foundation
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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 mu m 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.
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