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Surface-Enhanced Raman Scattering Using Microstructured Optical Fiber Substrates

✍ Scribed by A. Amezcua-Correa; J. Yang; C. E. Finlayson; A. C. Peacock; J. R. Hayes; P. J. A. Sazio; J. J. Baumberg; S. M. Howdle

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
503 KB
Volume
17
Category
Article
ISSN
1616-301X

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✦ Synopsis

Abstract

Microstructured optical fibers (MOFs) represent a promising platform technology for fully integrated next generation surface enhanced Raman scattering (SERS) sensors and plasmonic devices. In this paper we demonstrate silver nanoparticle substrates for SERS detection within MOF templates with exceptional temporal and mechanical stability, using organometallic precursors and a high‐pressure chemical deposition technique. These 3D substrates offer significant benefits over conventional planar detection geometries, with the long electromagnetic interaction lengths of the optical guided fiber modes exciting multiple plasmon resonances along the fiber. The large Raman response detected when analyte molecules are infiltrated within the structures can be directly related to the deposition profile of the nanoparticles within the MOFs via electrical characterization.

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