Plasmonics: metallic nanostructures for energy guiding and sensing

Stefan A. Maier

doi:10.1117/12.570803

29 December 2004 Plasmonics: metallic nanostructures for energy guiding and sensing

Stefan A. Maier

Proceedings Volume 5593, Nanosensing: Materials and Devices; (2004) https://doi.org/10.1117/12.570803
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

We investigate the optical properties of arrays of closely spaced metal nanoparticles in view of their potential to guide electromagnetic energy with a lateral mode confinement below the diffraction limit of light. Finite-difference time-domain simulations of short arrays of noble metal nanospheres show that electromagnetic pulses at optical frequencies can propagate along the arrays due to near-field interactions between plasmon-polariton modes of adjacent nanoparticles. Near-field microscopy enables the study of energy transport in these plasmon waveguides and shows experimental evidence for energy propagation over a distance of 0.5 μm for plasmon waveguides consisting of spheroidal silver particles fabricated using electron beam lithography.

Citation Download Citation

Stefan A. Maier "Plasmonics: metallic nanostructures for energy guiding and sensing", Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004); https://doi.org/10.1117/12.570803

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