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A balanced (Weston-type) absorber with both electric and magnetic conductances can be placed within the null field inside a scatterer, helping reduce interactions between pairs of opposing basis functions. The resultant MoM matrix is substantially thinned. Moreover, the annulled elements need not be computed, thereby reducing the matrix fill-up time.
Conceptual doubly lossy thin layers with high electric and magnetic conductances (HEMCs) are shown to exhibit perfect absorbing properties for a normally incident plane wave. In contrast to conventional absorbers and perfectly matched layers (PMLs), this absorber can be made infinitely thin in the limit of perfect electric and magnetic conductors. The dissipated power density within the HEMC is thus...
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