Plasmon-Polariton Properties in Metallic Nanosphere Chains
AbstractThe propagation of collective wave type plasmonic excitations along infinite chains of metallic nanospheres has been analyzed, including near-, medium- and far-field contributions to the plasmon dipole interaction with all retardation effects taken into account. It is proven that there exist weakly-damped self-modes of plasmon-polaritons in the chain for which the propagation range is limited by relatively small Ohmic losses only. In this regime, the Lorentz friction irradiation losses on each nanosphere in the chain are ideally compensated by the energy income from the rest of the chain. The completely undamped collective waves were identified in the case of the presence of persistent external excitation of some fragment of the chain. The obtained characteristics of these excitations fit the experimental observations well. View Full-Text
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Jacak, W.A.; Krasnyj, J.; Chepok, A. Plasmon-Polariton Properties in Metallic Nanosphere Chains. Materials 2015, 8, 3910-3937.
Jacak WA, Krasnyj J, Chepok A. Plasmon-Polariton Properties in Metallic Nanosphere Chains. Materials. 2015; 8(7):3910-3937.Chicago/Turabian Style
Jacak, Witold A.; Krasnyj, Jurij; Chepok, Andrej. 2015. "Plasmon-Polariton Properties in Metallic Nanosphere Chains." Materials 8, no. 7: 3910-3937.