Optimal Design of Wideband Microwave Absorber Consisting of Resistive Meta-Surface Layers


In this paper we propose an optimal design of ultra-wideband (4 ~ 20 GHz) microwave absorbers consisting of two resistive meta-surface layers of different square patch arrays. Gradient Descent and Genetic Algorithm numerical methods are employed to optimize all the parameters through equivalent transmission line circuit model. The circuit parameters are then implemented by a multilayer including two resistive meta-surfaces of square patch structures. Two types of such absorbing structures, with the total thicknesses close to that of the known theoretical limit, are designed and their performance are verified by full wave electromagnetic simulation.

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S. Zhou, Z. Wang and Y. Feng, "Optimal Design of Wideband Microwave Absorber Consisting of Resistive Meta-Surface Layers," Journal of Electromagnetic Analysis and Applications, Vol. 4 No. 5, 2012, pp. 187-191. doi: 10.4236/jemaa.2012.45025.

Conflicts of Interest

The authors declare no conflicts of interest.


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