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2013-07-29
Novel Triangular Metamaterial Design for Electromagnetic Absorption Reduction in Human Head
By
Progress In Electromagnetics Research, Vol. 141, 463-478, 2013
Abstract
In this paper, a novel triangular metamaterial (TMM) structure, which exhibits a resounding electric response at microwave frequency, is developed by etching two concentric triangular rings of conducting materials. A finite-difference time-domain method in conjunction with the lossy-Drude model was used in this study. Simulations were performed using the CST Microwave Studio®. The technique of specific absorption rate (SAR) reduction is discussed, and the effects of the position of attachment, the distance, and the size of the metamaterials on the SAR reduction are explored. The performance of the novel TMMs in cellular phones was also measured in the cheek and the tilted positions using the COMOSAR system. The TMMs achieved a 50.82% reduction for 1 gm SAR. These results provide a guideline to determine the triangular design of metamaterials with the maximum SAR reducing effect for a cellular phone.
Citation
Mohammad Rashed Iqbal Faruque Mohammad Tariqul Islam , "Novel Triangular Metamaterial Design for Electromagnetic Absorption Reduction in Human Head," Progress In Electromagnetics Research, Vol. 141, 463-478, 2013.
doi:10.2528/PIER13050603
http://www.jpier.org/PIER/pier.php?paper=13050603
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