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Journal Articles Plasmonics Year : 2013

Novel Apolar Plasmonic Nanostructures with Extended Optical Tunability for Sensing Applications

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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 C n , 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.

Dates and versions

hal-02437252 , version 1 (13-01-2020)

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Marc Lamy de La Chapelle, Nicolas Guillot, Benoît Frémaux, Hong Shen, Timothée Toury. Novel Apolar Plasmonic Nanostructures with Extended Optical Tunability for Sensing Applications. Plasmonics, 2013, 8 (2), pp.475-480. ⟨10.1007/s11468-012-9413-x⟩. ⟨hal-02437252⟩
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