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Browsing by Author "Chen, Min-Hsiu"

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    Subwavelength Focusing of Hybrid Ag-Au Plasmonic Lens with Variant Slit Widths
    (2015)
    Chen, Min-Hsiu
    ;
    Chang, Kai-Hao
    ;
    Lee, Po-Tsung
    ;
    光電工程學系
    ;
    Department of Photonics
    We design the hybrid Ag-Au double-layered structure as plasmonic lens. The subwavelength focusing can be achieved with focal length within 500 nm. Furthermore, the focusing properties can be tuned by the thickness ratio of Ag/Au. Finally, we find the best of focusing effect as the thickness ratio is 1.