Journal of Electromagnetic Analysis and Applications

Volume 3, Issue 8 (August 2011)

ISSN Print: 1942-0730   ISSN Online: 1942-0749

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Power Density and SAR in Multi-Layered Life Tissue at Global System Mobile (GSM) Frequencies

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DOI: 10.4236/jemaa.2011.38052    6,237 Downloads   11,275 Views  Citations
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ABSTRACT

In this paper, the power density and specific absorption rate (SAR) distribution in multi-layered life tissues and exposed to electromagnetic field emitted from handheld cellular phone operating in the 900 MHz and 1800 MHz is studied. We modeled a life tissue by four layered system to represent skin-fat-muscles-organs respectively. Matlab program and finite difference time domain (FDTD) computations were used to evaluator the electric, magnetic field, power density and specific absorption rate. A one dimensional FDTD algorithm has been built, some simulations for electromagnetic wave through the life tissue is made. Results show that electro magnetic fields penetrate the life tissues and attenuate fast to reach zero at the organs layer. The absorbent power and SAR show maximum at the skin and fat layers.

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K. Wasife, "Power Density and SAR in Multi-Layered Life Tissue at Global System Mobile (GSM) Frequencies," Journal of Electromagnetic Analysis and Applications, Vol. 3 No. 8, 2011, pp. 328-332. doi: 10.4236/jemaa.2011.38052.

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