Plasmonic super-oscillations and sub-diffraction focusing

• المؤلفون الرئيسيون: Yuan, Guanghui, Rogers, Edward T F, Roy, Tapashree, Du, Luping, Shen, Zexiang, Zheludev, Nikolay I
• مؤلفون آخرون: School of Electrical and Electronic Engineering
• التنسيق: Conference or Workshop Item
• اللغة: English
• منشور في: 2018
• الموضوعات: Superresolution; Surface Plasmons; DRNTU::Science::Physics
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/87596; http://hdl.handle.net/10220/46798

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.