Surface modes in metal–insulator composites with strong interaction of metal particles

作者: Vladimir V. Lebedev , Sergey S. Vergeles , Petr E. Vorobev

DOI: 10.1007/S00340-013-5377-6

关键词: Condensed matter physicsField (physics)PlasmonStrong interactionElectromagnetic radiationExcited stateWavelengthDielectricMaterials scienceOpticsResonance

摘要: We theoretically examine plasmonic resonance excited between two close metallic grains embedded into a dielectric matrix. The sizes are assumed to be much less than the wavelength of electromagnetic wave in medium and grain’s separation is smaller sizes. A qualitative scheme developed that enables one estimate frequency value field enhancement inside gap. Our general arguments confirmed by rigorous analytic solution problem for simplest geometry—two identical spherical grains.

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