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dc.contributor.authorDoster, J.-
dc.contributor.authorBaraldi, G.-
dc.contributor.authorGonzalo, J.-
dc.contributor.authorSolís Céspedes, Javier-
dc.contributor.authorHernández Rueda, Javier-
dc.contributor.authorSiegel, Jan-
dc.date.accessioned2015-03-03T15:44:51Z-
dc.date.available2015-03-03T15:44:51Z-
dc.date.issued2014-
dc.identifierdoi: 10.1063/1.4871507-
dc.identifierissn: 0003-6951-
dc.identifier.citationApplied Physics Letters 104: 153106 (2014)-
dc.identifier.urihttp://hdl.handle.net/10261/111734-
dc.description5 pags.; 4 figs.-
dc.description.abstractWe demonstrate that the broad surface plasmon resonance (SPR) of a single layer of near-coalescence silver nanoparticles (NPs), embedded in a dielectric matrix can be tailored by irradiation with a single nanosecond laser pulse into a distribution featuring a sharp resonance at 435 nm. Scanning electron microscopy studies reveal the underlying mechanism to be a transformation into a distribution of well-separated spherical particles. Additional exposure to multiple femtosecond laser pulses at 400 nm or 800 nm wavelength induces polarization anisotropy of the SPR, with a peak shift that increases with laser wavelength. The spectral changes are measured in-situ, employing reflection and transmission micro-spectroscopy with a lateral resolution of 4 μ m. Spectral maps as a continuous function of local fluence can be readily produced from a single spot. The results open exciting perspectives for dynamically tuning and switching the optical response of NP systems, paving the way for next-generation applications. © 2014 AIP Publishing LLC.-
dc.description.sponsorshipThis work has been supported by the Spanish Ministry of Economy and Competitiveness (MAT2009-14282-C02-01, TEC2011-22422, and TEC2012-38901-C02-01). J.D. acknowledges support from the ERASMUS placement program, G.B. a grant from the CSIC-JAE predoctoral program, co-funded by the European Social Fund, and J.H.-R. a grant from the Spanish Ministry of Science and Innovation-
dc.publisherAmerican Institute of Physics-
dc.rightsopenAccess-
dc.titleTailoring the surface plasmon resonance of embedded silver nanoparticles by combining nano- and femtosecond laser pulses-
dc.typeartículo-
dc.identifier.doi10.1063/1.4871507-
dc.relation.publisherversionhttp://dx.doi.org/10.1063/1.4871507-
dc.date.updated2015-03-03T15:44:51Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.relation.csic-
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