Dispersion properties of non-radiating configurations: Finite-Difference Time-Domain modeling
classification
⚛️ physics.class-ph
cond-mat.mtrl-sciphysics.comp-ph
keywords
dielectricfinite-differencenon-radiatingtime-domainusedambientanalysisbecomes
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A finite-difference time-domain (FDTD) numerical analysis is used to demonstrate that a toroidal solenoid, coaxial with an electric dipole, is a remarkable non-radiating configuration. It can be used to measure the dielectric permittivity of any ambient matter. It becomes a directional radiator at an interface between two dielectric media, depositing energy in the material with the highest polarizability.
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