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Time-domain techniques for the computation and reconstruction of 1-D profiles

This paper presents a time-domain technique to compute the electromagnetic field and to reconstruct an unknown 1D slab of finite length characterized by a permittivity profile. The forward solver computes the internal electromagnetic field of a known slab whereas the inverse scheme solves an inverse scattering problem by reconstructing the permittivity profile. Both solvers have been validated against synthetic and measured time domain reflectometry (TDR) data.