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Type: Artigo de periódico
Title: Surface-enhanced Resonance Raman Scattering (serrs) Using Au Nanohole Arrays On Optical Fiber Tips
Author: Andrade G.F.S.
Hayashi J.G.
Rahman M.M.
Salcedo W.J.
Cordeiro C.M.B.
Brolo A.G.
Abstract: Circular and bow tie-shaped Au nanoholes arrays were fabricated on gold films deposited on the tips of single-mode optical fibers. The nanostructures were milled using focused ion beam with a high quality control of their shapes and sizes. The optical fiber devices were used for surface-enhanced resonance Raman scattering (SERRS) measurements in both back- and forward-scattering geometries, yielding promising performance in both detection arrangements. The effect of the hole shape on the SERRS performance was explored with the bow tie nanostructures presenting a better SERRS performance than the circular holes arrays. The results present here are another step towards the development of optical fiber tips modified with plasmonic nanostructures for SERRS applications. [Figure not available: see fulltext.] © 2013 Springer Science+Business Media New York.
Rights: fechado
Identifier DOI: 10.1007/s11468-013-9518-x
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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