Effect of extended surface plasmons on surface enhanced Raman scattering |
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| Authors: | H.W.K. Tom C.K. Chen A.R.B. de Castro Y.R. Shen |
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| Affiliation: | 1. Department of Physics, University of California, Berkeley, CA 94720, U.S.A.;2. Materials and Molecular Research Division, Lawrence Berkeley Laboratory, Berkeley, CA 94720, U.S.A. |
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| Abstract: | Surface enhanced Raman scattering of pyridine adsorbed to weakly roughened silver films is studied using a well-characterized extended surface plasmon excitation. We show that the additional increase in the Raman signal associated with the extended surface plasmon is fully accounted for by the enhancement in the average macroscopic field. |
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