Time-domain electromagnetic field transmission between small loop antennas on a half-space with conductive and dielectric properties
Martin Stumpf (Brno University of Technology)
Giulio Antonini (University of L'Aquila)
Ioan E. Lager (TU Delft - Electrical Engineering Education)
Guy A.E. Vandenbosch (Katholieke Universiteit Leuven)
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Abstract
The pulsed EM-field signal transfer between two co-planar small-loop antennas located on a half-space with dielectric and conductive properties is analyzed analytically with the help of the Cagniard-DeHoop technique and the Schouten-Van der Pol theorem. The analysis yields a closed-form time-domain expression for the open-circuit voltage induced across the ports of the receiving antenna. Limiting cases considering the mutual coupling between two loops placed in free-space and on a dielectric half-space are discussed. The obtained results are validated using analytical expressions for the special cases and with the aid of a 3-D EM computational tool.