Plasmon resonances of a prolate spheroid nanoparticle illuminated by a focused beam
Şendur, Kürşat (2010) Plasmon resonances of a prolate spheroid nanoparticle illuminated by a focused beam. In: Workshop Nano Particles, Nano Structures and Near Field Computation, Bremen, Germany
The interaction of a radially focused beam with a prolate spheroidal nanoparticle is particularly important because it has the potential to produce strong nearfield electromagnetic radiation. Strong and tightly localized longitudinal components of a radially polarized focused beam can excite strong plasmon modes on elongated nanoparticles such as prolate spheroids. In this study, near field radiation from a prolate spheriodal nanoparticle is investigated when it is illuminated with a radially polarized focused beam of light. Nearfield radiation from the nanoparticle is investigated in the absence and presence of metallic layers.
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