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Electromagnetic waves diffraction on a system of open cones in time domain

A model problem of electromagnetic waves diffraction on an equalperiodical multilayered perfectly conducting conical grating is considered. The solution method is based on using the Meler-Fock integral transforms and the method of the coupling problem. This allows both analytical and numerical solutions obtaining. The graphs representing the electric field component dependencies on the time parameter are provided for the case of the single cone with a longitudinal slot.