Plasmonics

, Volume 8, Issue 2, pp 475–480

Novel Apolar Plasmonic Nanostructures with Extended Optical Tunability for Sensing Applications

Authors

  • Marc Lamy de la Chapelle
    • Laboratoire CSPBAT UMR 7244Université Paris 13
  • Nicolas Guillot
    • Laboratoire CSPBAT UMR 7244Université Paris 13
  • Benoît Frémaux
    • Laboratoire CSPBAT UMR 7244Université Paris 13
  • Hong Shen
    • ICD-LNIO, UMR STMR CNRS 6279Université de technologie de Troyes
    • ICD-LNIO, UMR STMR CNRS 6279Université de technologie de Troyes
Article

DOI: 10.1007/s11468-012-9413-x

Cite this article as:
Lamy de la Chapelle, M., Guillot, N., Frémaux, B. et al. Plasmonics (2013) 8: 475. doi:10.1007/s11468-012-9413-x

Abstract

This paper outlines the design of complex nanostructures with apolar behavior which pave the way to a wider range of plasmon resonance tuning and applications requiring higher enhancement. These new nanostructure families are simply defined by symmetry considerations. An irreducible decomposition of optical response tensor demonstrates that nanoparticles which belong to Cn, with n ≥ 3, symmetry point group for at least one scale have an optical response insensitive on the light polarization. This is experimentally confirmed by extinction and surface-enhanced Raman-scattering measurements.

Keywords

PlasmonicsMetallic nanoparticlesLight polarizationResonancesSymmetriesSERSExtinction

Copyright information

© Springer Science+Business Media, LLC 2012