Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36393
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dc.contributorDepartment of Applied Physicsen_US
dc.creatorLee, YEen_US
dc.creatorFung, KHen_US
dc.creatorJin, Den_US
dc.creatorFang, NXen_US
dc.date.accessioned2016-04-20T09:37:58Z-
dc.date.available2016-04-20T09:37:58Z-
dc.identifier.issn2192-8606en_US
dc.identifier.urihttp://hdl.handle.net/10397/36393-
dc.language.isoenen_US
dc.publisherDe Gruyteren_US
dc.rights© 2014 Science Wise Publishing & De Gruyteren_US
dc.rightsThe following publication Lee, Yoonkyung E., Fung, Kin Hung, Jin, Dafei and Fang, Nicholas X.. "Optical torque from enhanced scattering by multipolar plasmonic resonance" Nanophotonics, vol. 3, no. 6, 2014, pp. 343-350 is available at https://doi.org/10.1515/nanoph-2014-0005.en_US
dc.subjectLight scatteringen_US
dc.subjectMultipolar resonanceen_US
dc.subjectOptical angular momentumen_US
dc.subjectOptical manipulationen_US
dc.subjectOptical torqueen_US
dc.subjectSurface plasmonen_US
dc.titleOptical torque from enhanced scattering by multipolar plasmonic resonanceen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage343en_US
dc.identifier.epage350en_US
dc.identifier.volume3en_US
dc.identifier.issue6en_US
dc.identifier.doi10.1515/nanoph-2014-0005en_US
dcterms.abstractWe present a theoretical study of the optical angular momentum transfer from a circularly polarized plane wave to thin metal nanoparticles of different rotational symmetries. While absorption has been regarded as the predominant mechanism of torque generation on the nanoscale, we demonstrate numerically how the contribution from scattering can be enhanced by using multipolar plasmon resonance. The multipolar modes in non-circular particles can convert the angular momentum carried by the scattered field and thereby produce scattering-dominant optical torque, while a circularly symmetric particle cannot. Our results show that the optical torque induced by resonant scattering can contribute to 80% of the total optical torque in gold particles. This scattering-dominant torque generation is extremely mode-specific, and deserves to be distinguished from the absorption-dominant mechanism. Our findings might have applications in optical manipulation on the nanoscale as well as new designs in plasmonics and metamaterials.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationNanophotonics, 2014, v. 3, no. 6, p. 343-350en_US
dcterms.isPartOfNanophotonicsen_US
dcterms.issued2014-
dc.identifier.eissn2192-8614en_US
dc.identifier.rosgroupid2014000199-
dc.description.ros2014-2015 > Academic research: refereed > Publication in refereed journalen_US
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberRGC-B3-0358-
dc.description.fundingSourceRGCen_US
dc.description.fundingSourceOthersen_US
dc.description.fundingTextNSF; AFOSR MURIen_US
dc.description.pubStatusPublisheden_US
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