Physics of the Solid State

, Volume 47, Issue 1, pp 178–182

Total resonant absorption of light by plasmons on the nanoporous surface of a metal

  • T. V. Teperik
  • V. V. Popov
  • F. J. García de Abajo
Proceedings of the Conference “Nanophotonics 2004” (Nizhni Novgorod, Russia, May 2–6, 2004)


We have calculated light absorption spectra of planar metal surfaces with a two-dimensional lattice of spherical nanovoids just beneath the surface. It is shown that nearly total absorption of light occurs at the plasma resonance in a void lattice in the visible range when the intervoid spacing and the void deepening into the metal are thinner than the skin depth, which ensures optimal coupling of void plasmons to external light. We conclude that the absorption and local-field properties of this type of nanoporous metal surface can be effectively tuned through nanoengineering of the spherical pores and that they constitute a very attractive system for various applications in future submicron light technology.


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Copyright information

© Pleiades Publishing, Inc. 2005

Authors and Affiliations

  • T. V. Teperik
    • 1
  • V. V. Popov
    • 1
  • F. J. García de Abajo
    • 2
  1. 1.Institute of Radio Engineering and Electronics (Saratov Division)Russian Academy of SciencesSaratovRussia
  2. 2.Centra Mixto CSIC-UPV/EHU and Donostia International Physics CenterSan SebastianSpain

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