期刊
APPLIED PHYSICS LETTERS
卷 99, 期 22, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3664634
关键词
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资金
- AFOSR YIP [FA9550-11-1-0009]
- NSF [ECCS-0953311]
- Department of Energy [DE-FG36-08GO18016]
- National Science Foundation [DMR1066430]
- University of Texas at Austin
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1066430] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0953311] Funding Source: National Science Foundation
We have modeled, fabricated, and characterized a plasmonic metasurface with subwavelength features, whose dominant resonance is the independent of incident angle and polarization, and sensitive only to the material composition and geometry of a single element. Higher-order resonances, associated with surface plasmon polariton (SPP) coupling and higher diffraction orders, are sensitive to the incident angle and the array periodicity and less pronounced compared with the metasurface resonance. Numerical simulations and theoretical analysis highlight a clear physical difference between the SPP resonances and the dominant metasurface collective resonance, whose properties may be of great interest for plasmonic solar cells and subwavelength color filters. (C) 2011 American Institute of Physics. [doi:10.1063/1.3664634]
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