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Angular distribution of emission from hyperbolic metamaterials.
Gu, Lei; Livenere, J E; Zhu, G; Tumkur, T U; Hu, H; Cortes, C L; Jacob, Z; Prokes, S M; Noginov, M A.
Afiliación
  • Gu L; Center for Materials Research, Norfolk State University, Norfolk, VA, 23504, USA.
  • Livenere JE; Center for Materials Research, Norfolk State University, Norfolk, VA, 23504, USA.
  • Zhu G; Center for Materials Research, Norfolk State University, Norfolk, VA, 23504, USA.
  • Tumkur TU; Center for Materials Research, Norfolk State University, Norfolk, VA, 23504, USA.
  • Hu H; Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada.
  • Cortes CL; Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada.
  • Jacob Z; Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada.
  • Prokes SM; Electronic Science and Technology Division, Naval Research Lab, Washington DC, 20375, USA.
  • Noginov MA; Center for Materials Research, Norfolk State University, Norfolk, VA, 23504, USA.
Sci Rep ; 4: 7327, 2014 Dec 05.
Article en En | MEDLINE | ID: mdl-25476126
We have studied angular distribution of emission of dye molecules deposited on lamellar metal/dielectric and Si/Ag nanowire based metamaterials with hyperbolic dispersion. In agreement with the theoretical prediction, the emission pattern of dye on top of lamellar metamaterial is similar to that on top of metal. At the same time, the effective medium model predicts the emission patterns of the nanowire array and the dye film deposited on glass to be nearly identical to each other. This is not the case of our experiment. We tentatively explain the nearly Lambertian (∝cosθ) angular distribution of emission of the nanowire based sample by a surface roughness.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Sci Rep Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Sci Rep Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido