Optimization of the Raman Signal in Suspensions of Nanoparticle Aggregates

Thomas van Dijk; Rohit Bhargava; Rohit Bhargava; Rohit Bhargava; P. Scott. Carney; P. Scott. Carney

doi:10.1364/FIO.2013.FTu1D.3

Frontiers in Optics 2013
OSA Technical Digest (online) (Optica Publishing Group, 2013),
paper FTu1D.3
•https://doi.org/10.1364/FIO.2013.FTu1D.3

Optimization of the Raman Signal in Suspensions of Nanoparticle Aggregates

Thomas van Dijk, Rohit Bhargava, and P. Scott. Carney

Frontiers in Optics 2013

Orlando, Florida United States
6–10 October 2013
ISBN: 978-1-55752-987-9

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General Optics in Biology and Medicine (FTu1D)

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T. van Dijk, R. Bhargava, and P. S. Carney, "Optimization of the Raman Signal in Suspensions of Nanoparticle Aggregates," in Frontiers in Optics 2013, I. Kang, D. Reitze, N. Alic, and D. Hagan, eds., OSA Technical Digest (online) (Optica Publishing Group, 2013), paper FTu1D.3.

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Abstract

Nanoparticles enhance local fields to amplify surface enhanced Raman spectroscopic signals. Field enhancement also increases optical extinction, unexpectedly shifting the maximum Raman scattering away from resonance. We quantify the interplay to predict optimal enhancement.

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