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dc.contributor.authorWeber, Daniel
dc.contributor.authorAlbella Echave, Pablo 
dc.contributor.authorAlonso-González, Pablo
dc.contributor.authorNeubrech, Frank
dc.contributor.authorGui, Han
dc.contributor.authorNagao, Tadaaki
dc.contributor.authorHillenbrand, Rainer
dc.contributor.authorAizpurua, Javier
dc.contributor.authorPucci, Annemarie
dc.contributor.otherUniversidad de Cantabriaes_ES
dc.date.accessioned2023-11-20T09:15:54Z
dc.date.available2023-11-20T09:15:54Z
dc.date.issued2011
dc.identifier.issn1094-4087
dc.identifier.urihttps://hdl.handle.net/10902/30714
dc.description.abstractInteraction between micrometer-long nanoantennas within an array considerably modifies the plasmonic resonant behaviour; for fundamental resonances in the infrared already at micrometer distances. In order to get systematic knowledge on the relationship between infrared plasmonic resonances and separation distances dx and dy in longitudinal and transverse direction, respectively, we experimentally studied the optical extinction spectra for rectangularly ordered lithographic gold nanorod arrays on silicon wafers. For small dy, strong broadening of resonances and strongly decreased values of far-field extinction are detected which come along with a decreased near-field intensity, as indicated by near-field amplitude maps of the interacting nanoantennas. In contrast, near-field interaction over small dx does only marginally broaden the resonance. Our findings set a path for optimum design of rectangular nanorod lattices for surface enhanced infrared spectroscopy.es_ES
dc.description.sponsorshipFinancial support by the European project NANOANTENNA (HEALTH-F5-2009-241818), by the Strategic International Cooperative Program through the Japan Science and Technology Agency and the German Science Foundation (DFG PU193/9-1), by the Heidelberg Graduate School of Fundamental Physics, by the National project FIS-2010- 19609-C02-02 from the Spanish Ministry of Science and Innovation, and by the ETORTEK project inanoGUNE from the Department of Industry of the Basque Government is gratefully acknowledged.es_ES
dc.format.extent15 p.es_ES
dc.language.isoenges_ES
dc.publisherOptica Publishing Groupes_ES
dc.rights© 2011. Optica Publishing Group under the terms of the Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.es_ES
dc.sourceOptics express, 2011, 19, 15047-15061es_ES
dc.titleLongitudinal and transverse coupling in infrared gold nanoantenna arrays: long range versus short range interaction regimeses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherVersionhttps://doi.org/10.1364/OE.19.015047es_ES
dc.rights.accessRightsopenAccesses_ES
dc.identifier.DOI10.1364/OE.19.015047
dc.type.versionpublishedVersiones_ES


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