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Nonlinear chiral imaging of subwavelength-sized twisted-cross gold nanodimers

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dc.contributor.authorHuttunen, Mikko J.
dc.contributor.authorBautista, Godofredo
dc.contributor.authorDecker, Manuel
dc.contributor.authorLinden, Stefan
dc.contributor.authorWegener, Martin
dc.contributor.authorKauranen, Martti
dc.date.accessioned2016-06-06T01:31:43Z
dc.date.available2016-06-06T01:31:43Z
dc.date.issued2011-04-22
dc.description.abstractWe perform second-harmonic generation (SHG) microscopy with circularly polarized (CP) light to measure chirality of individual twisted-cross gold nanodimers. The chiral signatures, based on different SHG response for the two CP components of incident light, are clearly visible even with off-resonance excitation. The SHG responses of individual nanodimers are found to vary by about a factor of five. The technique thus has very high sensitivity to the nanoscale deformations of the structure. The chiral signatures of the dimers, however, are found to be more uniform, and the technique is thus able to recognize the handedness of the twisted nanodimers with high reliability.en_AU
dc.description.sponsorshipThis work was funded by the ANIMOS Consortium project under the Research Program on Photonics and Modern Imaging Techniques of the Academy of Finland (project 134973). MJH acknowledges support from the Graduate School of Modern Optics and Photonics in Finland. The Karlsruhe team acknowledges support by the Deutsche Forschungsgemeinschaft (DFG), the State of Baden-Württemberg, and the Karlsruhe Institute of Technology (KIT) through the DFG Center for Functional Nanostructures (CFN) within subproject A1.5. The project PHOME acknowledges the financial support of the Future and Emerging Technologies (FET) programme within the Seventh Framework Programme for Research of the European Commission, under FET-Open grant number 213390. The project METAMAT is supported by the Bundesministerium für Bildung und Forschung (BMBF).en_AU
dc.identifier.issn2159-3930en_AU
dc.identifier.urihttp://hdl.handle.net/1885/102003
dc.publisherOptical Society of Americaen_AU
dc.rights© 2011 Optical Society of Americaen_AU
dc.sourceOptical Materials Expressen_AU
dc.titleNonlinear chiral imaging of subwavelength-sized twisted-cross gold nanodimersen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue1en_AU
local.bibliographicCitation.lastpage56en_AU
local.bibliographicCitation.startpage46en_AU
local.contributor.affiliationHuttunen, Mikko J, Department of Phyiscs, Finlanden_AU
local.contributor.affiliationBautista, Godofredo, Tampere University of Technology, Finlanden_AU
local.contributor.affiliationDecker, Manuel, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National Universityen_AU
local.contributor.affiliationLinden, S, Universitat Karlsruhe (TH), Germanyen_AU
local.contributor.affiliationWegener, M, Universitat Karlsruhe (TH), Germanyen_AU
local.contributor.affiliationKauranen, Martti, Tampere University of Technology, Finlanden_AU
local.contributor.authoruidu5077058en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor020501en_AU
local.identifier.ariespublicationU3488905xPUB2681en_AU
local.identifier.citationvolume1en_AU
local.identifier.doi10.1364/OME.1.000046en_AU
local.publisher.urlhttp://www.osa.org/en-us/home/en_AU
local.type.statusPublished Versionen_AU

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