Abstract
The impulsive electromagnetic response of a thin metallic coating on a dielectric half-space is analytically investigated. Both TM- and TE-polarized electromagnetic fields in the configuration are excited by an impulsive line source. The problem is analytically solved with the help of the high-contrast thin-sheet boundary conditions and the extended Cagniard-DeHoop technique. Closed-form space-time expressions for electromagnetic fields are found, numerically evaluated, and discussed with regard to the pulsed excitation of surface plasmon phenomena.
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