12 October 2010 Plasmon resonances of bimetal nanostructures with tunable optical properties
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Abstract
In this work we study optical response of noble metal nanoparticles and report how it may be controllably varied over a wide range of wavelengths. Altering the particle shape and materials we investigate the surface plasmon resonances of nanostars. To design novel nanostructures possessing diverse optical properties we assemble several plasmonic materials into a single nanoparticle. With numerical simulation tool based on the spectral boundary integral equation method we investigate far-field and near-field characteristics of a variety of metal, metal-dielectric and bimetal nanostructures to be used in a range of applications from disease diagnostics through to the identification of contraband.
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Ludmila Raguin, Ludmila Raguin, Tatiana Samrowski, Tatiana Samrowski, Christian Hafner, Christian Hafner, } "Plasmon resonances of bimetal nanostructures with tunable optical properties", Proc. SPIE 7838, Optics and Photonics for Counterterrorism and Crime Fighting VI and Optical Materials in Defence Systems Technology VII, 783818 (12 October 2010); doi: 10.1117/12.867777; https://doi.org/10.1117/12.867777
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