Spatially oriented plasmonic ‘nanograter’ structures

Liu, Z, Cui, A, Gong, Z, Li, H, Xia, X, Shen, T ORCID:, Li, J, Yang, H, Li, W and Gu, C 2016, 'Spatially oriented plasmonic ‘nanograter’ structures' , Scientific Reports, 6 , p. 28764.

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One of the key motivations in producing 3D structures has always been the realization of metamaterials with effective constituent properties that can be tuned in all propagation directions at various frequencies. Here, we report the investigation of spatially oriented “Nanograter” structures with orientation-dependent responses over a wide spectrum by focused-ion-beam based patterning and folding of thin film nanostructures. Au nano units of different shapes, standing along specifically designated orientations, were fabricated. Experimental measurements and simulation results show that such structures offer an additional degree of freedom for adjusting optical properties with the angle of inclination, in additional to the size of the structures. The response frequency can be varied in a wide range (8 μm–14 μm) by the spatial orientation (0°–180°) of the structures, transforming the response from magnetic into electric coupling. This may open up prospects for the fabrication of 3D nanostructures as optical interconnects, focusing elements and logic elements, moving toward the realization of 3D optical circuits.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre
Journal or Publication Title: Scientific Reports
Publisher: Nature Publishing Group
ISSN: 2045-2322
Related URLs:
Funders: National Natural Science Foundation of China
Depositing User: USIR Admin
Date Deposited: 12 Aug 2016 08:15
Last Modified: 15 Feb 2022 21:07

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