Distributing the optical near-field for efficient field-enhancements in nanostructures

V. K. Valev, B. De Clercq, C. G. Biris, X. Zheng, S. Vandendriessche, M. Hojeij, D. Denkova, Y. Jeyaram, N. C. Panoiu, Y. Ekinci, A. V. Silhanek, V. Volskiy, G. A E Vandenbosch, M. Ameloot, V. V. Moshchalkov, T. Verbiest

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

Circularly polarized light imparts a sense of rotation on the electron density in ring-shaped gold nanostructures. As a consequence, the near-field enhancement becomes homogeneous on the surface of the nanostructures, thereby increasing the opportunity for interaction with molecules. This type of nanostructured samples can find a broad range of applications in chemical processes where the interaction between molecules and local field enhancements play an important role.

Original languageEnglish
JournalAdvanced Materials
Volume24
Issue number35
DOIs
Publication statusPublished - 11 Sep 2012

Keywords

  • hotspots
  • metamaterials
  • near-field
  • plasmonics
  • surface plasmon resonance

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