Light emission by excited species that decay via an electrical dipole transition is modeled as an electrical dipole antenna. We examine the various effects that occur when such a dipole is close to a metallic interface: wide-angle interference, coupling to the surface plasmon mode and absorption of the near-field. Analytical expressions for the power coupled to the surface plasmon and near-field absorption are derived. The case of a non-absorbing metal is compared to that of an absorbing metal.
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Penninck et al. (2010) studied this question.
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