Phys. Rev. B 77, 161405(R) (2008) [4 pages]Strongly coupled surface plasmons on thin shallow metallic gratings
The optical response of a thin metallic film with shallow corrugations on both surfaces is explored and the structure is found to support a strongly coupled surface plasmon polariton when transverse magnetic radiation is incident in a plane parallel to the grating grooves. Modeling confirms that this strongly excited mode is the short range surface plasmon polariton and its presence is confirmed experimentally in the visible part of the spectrum. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.77.161405
DOI:
10.1103/PhysRevB.77.161405
PACS:
73.20.Mf, 42.70.Qs, 78.20.Ci, 78.66.Bz
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