Abstract

We present a calculation of the angular distribution of surface-plasmon radiation from a rough surface. The radiated fields are calculated to first order in the surface-roughness height $\ensuremath{\delta}$, and the results are compared with our earlier measurements. The present result is found to compare more favorably with experiment than a previous calculation by Kretschmann. The strength of the "backscattering" of surface plasmons from small surface features is determined and used to discuss certain features of the experimental results.

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