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Tunable Yagi-Uda-type plasmonic nanoantennas: implications for nanoscale optical sensing

Maksymov, Ivan; Miroshnichenko, Andrey; Kivshar, Yuri


We introduce broadband and tunable Yagi-Uda-type plasmonic nanoantennas created by arrays of metal nanorods of varying length, and explore their use for nanoscale optical sensing. We suggest placing active nanoparticles, sensitive to chemical substances and biological agents, in close vicinity of individual nanoantenna elements at the points of subwavelength light confinement and enhancement. A change in the optical properties of the nanoparticles on exposure to e.g. inflammable gases...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: Proceedings of SPIE, Third Asia Pacific Optical Sensors Conference, SPIE Vol 8351
DOI: 10.1117/12.914221


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