Surface-plasmon dispersion relation: Shifts induced by the interaction with localized plasma resonances
- 15 June 1983
- journal article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 27 (12) , 7765-7768
- https://doi.org/10.1103/physrevb.27.7765
Abstract
The interaction between the localized plasma resonances associated with small metal particles and surface plasmons on a nearby metal-dielectric interface has been observed. Shifts in the surface-plasmon dispersion relation and changes in the effective absorption of the metal particles (Ag-island resonances) resulting from this interaction were measured as a function of the separation between the two structures. In our geometry, the two excitations are most strongly coupled for a separation nm.
Keywords
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