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    Scattering properties of vein induced localized surface plasmon resonances on a gold disk

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    Type
    Conference Paper
    Authors
    Amin, Muhammad
    Bagci, Hakan cc
    KAUST Department
    Computational Electromagnetics Laboratory
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2011-12
    Permanent link to this record
    http://hdl.handle.net/10754/564465
    
    Metadata
    Show full item record
    Abstract
    It is demonstrated via simulations that a gold nano-disk with a non-concentric cavity supports localized surface plasmon resonances over a frequency band that includes the visible and the near-infrared parts of the spectrum. The charge distribution on the disk indicates that the two distinct peaks in the scattering cross section are due to the (hybridized) higher-order plasmon modes; plasmon hybridization that involves the dipole modes of the disk and the cavity enforces the "coupling" of the plane-wave excitation to the originally-dark higher-order modes. It is further demonstrated that the resonance frequencies can be tuned by varying the radius of the embedded non-concentric cavity. The near-field enhancement observed at these two tunable resonance frequencies suggests that the proposed structure can be used as a substrate in surface enhanced spectroscopy applications. © 2011 IEEE.
    Citation
    Amin, M., & Bagci, H. (2011). Scattering properties of vein induced localized surface plasmon resonances on a gold disk. 8th International Conference on High-Capacity Optical Networks and Emerging Technologies. doi:10.1109/honet.2011.6149824
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    8th International Conference on High-capacity Optical Networks and Emerging Technologies
    Conference/Event name
    8th International Conference on High-Capacity Optical Networks and Emerging Technologies, HONET 2011
    ISBN
    9781457711695
    DOI
    10.1109/HONET.2011.6149824
    ae974a485f413a2113503eed53cd6c53
    10.1109/HONET.2011.6149824
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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