Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3903
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dc.contributor.authorPratibha, R.-
dc.contributor.authorPark, K.-
dc.contributor.authorSmalyukh, I.I.-
dc.contributor.authorPark, W.-
dc.date.accessioned2010-07-09T09:41:41Z-
dc.date.available2010-07-09T09:41:41Z-
dc.date.issued2009-10-
dc.identifier.citationOptics Express, 2009, Vol.17, p19459en
dc.identifier.issn1094-4087 (online)-
dc.identifier.urihttp://hdl.handle.net/2289/3903-
dc.descriptionRestricted Access.en
dc.description.abstractEffect of the surrounding anisotropic liquid crystal medium on the surface plasmon resonance (SPR) exhibited by concentrated suspensions of gold nanospheres has been investigated experimentally and compared with the Mie scattering theory. The observed polarization-sensitive SPR and the red-shift in the SPR wavelength with increasing concentration of the gold nanospheres in the liquid crystal matrix have been explained using calculations based on the Maxwell Garnet effective medium theory. Agglomeration of the gold nanospheres that could also lead to such a red-shift has been ruled out using Atomic force microscopy study of thin nanoparticle-doped smectic films obtained on solid substrates. Our study demonstrates feasibility of obtaining tunable optical bulk metamaterials based on smectic liquid crystal - nanoparticle composites.en
dc.language.isoenen
dc.publisherOptical Society of America (OSA)en
dc.relation.urihttp://dx.doi.org/10.1364/OE.17.019459en
dc.relation.urihttp://adsabs.harvard.edu/abs/2009OExpr..1719459Pen
dc.rights2009 Optical Society of Americaen
dc.subjectLiquid Crystalsen
dc.subjectNanomaterialsen
dc.subjectMetamaterialsen
dc.titleTunable optical metamaterial based on liquid crystal-gold nanosphere compositeen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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