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APPLICATION OF CHIRAL LAYERS AND METAMATERIALS FOR THE REDUCTION OF RADAR CROSS SECTION

By K. Nikooei Tehrani, A. Abdolali, D. Zarifi, and F. Hojjat-Kashani

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Abstract:
In this paper, the applications of chiral layers and metamaterials as radar absorbing materials are investigated. A perfect electric conductor plate covered by a chiral metamaterial is considered and after the formulation of the problem, reflection of the structure under an oblique plane wave incidence of arbitrary polarization is investigated. Then several examples of the applications of chiral layers in nondispersive, dispersive, and chiral nihility conditions are provided to design of zero reflection coatings. Finally, application of chiral metamaterial structures as microwave absorbers is discussed. In some of the provided examples, the method of genetic algorithm is used to optimize chiral coatings for the minimization of co- and cross reflected power.

Citation:
K. Nikooei Tehrani, A. Abdolali, D. Zarifi, and F. Hojjat-Kashani, "Application of Chiral Layers and Metamaterials for the Reduction of Radar Cross Section," Progress In Electromagnetics Research, Vol. 137, 759-773, 2013.
doi:10.2528/PIER13020805
http://www.jpier.org/PIER/pier.php?paper=13020805

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