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Numerical Investigation and Possible Realization of Metamaterial-based DB Boundary Surface

Recently proposed DB boundary is a hypothetical surface, on which the cancelation of normal components of the D and B fields occurs. Such a surface behaves as either PEC or PMC plane for the incident plane wave of TE or TM polarization, respectively. A possible realization of a DB surface, based on a slab made out of known metamaterial structures with resonant inclusions (SRRs and inductively loaded dipoles), has been proposed. Using numerical simulator, design parameters of the proposed structure were tuned in order to obtain a DB behavior at a single operating frequency.

DB boundary; metamaterial

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