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Opt Lett. 2010 Mar 1;35(5):760-2. doi: 10.1364/OL.35.000760.

Gold nanorings as substrates for surface-enhanced Raman scattering.

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  • 1School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA.


Surface-enhanced Raman scattering using gold nanoring substrates is studied. The measured enhancement factors of arrays of single nanorings and nanoring dimers are compared with that of an array of nanodisk dimers. The measured average enhancement factor for the single nanorings is 4.2 x 10(6). The experimental enhancement factors are compared with the electromagnetic enhancement factors predicted by simulations.

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