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Optical and nonlinear optical limiting properties of AgNi alloy nanostructures.

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dc.contributor.authorUdayabhaskar, R.
dc.contributor.authorSreekanth, P.
dc.contributor.authorKarthikeyan, B.
dc.date.accessioned2017-06-28T07:31:38Z
dc.date.available2017-06-28T07:31:38Z
dc.date.issued2016-12
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractSilver-nickel alloy nanoparticles with varying size were synthesized by reducing the metal precursors chemically using a single-step solution-based synthesis route. The structural, optical, and nonlinear optical properties of the prepared samples were investigated. The synthesized samples having highly agglomerated, interconnected nature and found to exhibit dipole and multipole surface plasmon resonance related optical absorption bands. Nonlinear optical and optical limiting properties were investigated using a single beam open aperture z-scan technique with the use of 532 nm, 5-ns laser pulses. The nonlinearity observed was found to have contributions from saturable absorption (SA) and excited state absorption (ESA) related to free carriers. The effective nonlinear optical absorption was enhanced in AgNi alloy compared to pure Ag nanostructures.en
dc.identifier.citationPlasmonics, 2016, Vol. 11, p1461-1466en
dc.identifier.issn1557-1955
dc.identifier.issn1557-1963 -(Online)
dc.identifier.urihttp://hdl.handle.net/2289/6660
dc.language.isoenen
dc.publisherSpringer Verlagen
dc.relation.urihttp://dx.doi.org/ 10.1007/s11468-016-0197-2en
dc.rights2016 Springer Science Business Mediaen
dc.subjectSurface plasmonsen
dc.subjectExcited state absorption (ESA)en
dc.subjectSaturable absorption (SA)en
dc.titleOptical and nonlinear optical limiting properties of AgNi alloy nanostructures.en
dc.typeArticleen

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