Ultraviolet surface-enhanced Raman scattering at the plasmonic band edge of a metallic grating | Zendy

Nadia Mattiucci | Zendy; Giuseppe D’Aguanno | Zendy; Henry O. Everitt | Zendy; John V. Foreman | Zendy; John M. Callahan | Zendy; Milan C. Buncick | Zendy; Mark J. Bloemer | Zendy

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Ultraviolet surface-enhanced Raman scattering at the plasmonic band edge of a metallic grating

Author(s) -

Nadia Mattiucci,

Giuseppe D’Aguanno,

Henry O. Everitt,

John V. Foreman,

John M. Callahan,

Milan C. Buncick,

Mark J. Bloemer

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.001868

Subject(s) - optics , plasmon , raman scattering , materials science , grating , surface plasmon , ultraviolet , scattering , raman spectroscopy , optoelectronics , surface plasmon polariton , localized surface plasmon , physics

Surface-enhanced Raman Scattering (SERS) is studied in sub-wavelength metallic gratings on a substrate using a rigorous electromagnetic approach. In the ultraviolet SERS is limited by the metallic dampening, yet enhancements as large as 10(5) are predicted. It is shown that these enhancements are directly linked to the spectral position of the plasmonic band edge of the metal/substrate surface plasmon. A simple methodology is presented for selecting the grating pitch to produce optimal enhancement for a given laser frequency.

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