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Novel planar electromagnetic absorber designs using genetic algorithms

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3 Author(s)
Cui, S. ; Dept. of Electr. & Comput. Eng., Delaware Univ., Newark, DE, USA ; Weile, Daniel S. ; Volakis, J.L.

A new type of absorber is proposed created by drilling holes in a single layer of lossy material. The new absorber is designed using genetic algorithms to achieve low reflectance over a wide frequency band. Results based on genetic algorithms demonstrate that the new absorber outperforms multilayer absorbers and absorbers embedding frequency selective surfaces between lossy materials. Numerical results are presented for different bandwidths, wave incidence angles, and polarizations.

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Antennas and Propagation, IEEE Transactions on  (Volume:54 ,  Issue: 6 )