Plasmonic super-oscillations and sub-diffraction focusing

Plasmonic super-oscillations and sub-diffraction focusing

We demonstrate experimental focusing of surface plasmon polaritons beyond the plasmon diffraction limit using a super-oscillatory plasmonic antenna at the wavelength of 785nm, achieving a hot-spot as small as 300nm.

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Bibliographic Details
Main Authors: Yuan, Guanghui, Rogers, Edward T F, Roy, Tapashree, Du, Luping, Shen, Zexiang, Zheludev, Nikolay I
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2018
Subjects:
Superresolution
Surface Plasmons
DRNTU::Science::Physics
Online Access:https://hdl.handle.net/10356/87596
http://hdl.handle.net/10220/46798
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Institution: Nanyang Technological University
Language: English
Description
Summary:We demonstrate experimental focusing of surface plasmon polaritons beyond the plasmon diffraction limit using a super-oscillatory plasmonic antenna at the wavelength of 785nm, achieving a hot-spot as small as 300nm.

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