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2 September 2009 Modeling near-field properties of plasmonic nanoparticles: a surface integral approach
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Abstract
Recent developments in nanofabrication and optical near-field metrology have faced complementary modeling techniques with new demands. We present a surface integral formulation that accurately describes the extreme near-field of a plasmonic nanoparticle in addition to its far-field properties. Flexible surface meshing gives precise control over even complex geometries allowing investigation of the effects of fabrication accuracy and material homogeneity on a particle's optical response. Using this technique, the influence of a particle's symmetry and shape on surrounding "hot spots" of extremely large field enhancement is explored, giving insight into the mechanisms of surface enhanced Raman scattering and single-molecule detection techniques.
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Andreas M. Kern and Olivier J. F. Martin "Modeling near-field properties of plasmonic nanoparticles: a surface integral approach", Proc. SPIE 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V, 739518 (2 September 2009); https://doi.org/10.1117/12.825833
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