Abstract
Surface plasmon excitation in small metal particles has found great interest in the past, in particular since this collective oscillation of the conduction electrons can be stimulated with light and since its resonance frequency can be tuned over a wide spectral range by varying the size and shape of the clusters, by changing the dielectric surrounding and choosing different metals. Even though numerous investigations on SP’s have been reported, no systematic investigation of the decay time T2 and the decay mechanisms of SP excitation are available.
© 2001 Optical Society of America
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