Abstract
A rigorous theory of radiation of an elementary dipole that is located either on the boundary of a plane-layered structure or inside it is considered. For a particular case of radiation from a dipole located on a free boundary of one film, a method of analytical simplification of the solution is demonstrated. This method has made it possible to reduce the formulas for emitted fields to one-dimensional integrals, which greatly simplified the analysis of the problem and speeded up numerical calculations. As a specific technical application of the theory, directional patterns of point emitters (molecules, nanostructures) located on the free surface of a metal film in the Kretschmann scheme and having an induced dipole moment along the film surface have been obtained. The influence of the surface wave on the directional properties of emitters has been determined.
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Translated by V. Rogovoi
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Petrin, A.B. An Elementary Dipole Emitter Located Either on the Boundary of a Layered Structure or Inside It. Opt. Spectrosc. 128, 1809–1827 (2020). https://doi.org/10.1134/S0030400X20110193
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DOI: https://doi.org/10.1134/S0030400X20110193