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Investigation of SAR inside Different Enclosures and Reduction Techniques

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Author(s): J.JANISH BLESSY, T.ANITA JONES MARY, Dr.C.S.RAVICHANDRAN

Journal: International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
ISSN 2278-1323

Volume: 2;
Issue: 3;
Start page: 1170;
Date: 2013;
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Keywords: PIFA | SAR | ENCLOSURES | RADIATION

ABSTRACT
Electromagnetic interface with a human head exposed to internal antenna is calculated. A human head phantom with dielectric properties inside an enclosure is designed. The radiation pattern of Planar Inverted F Antenna [PIFA] exposed to human head is analysed inside different shapes of enclosure namely cubical and cylindrical. The metallic enclosures have high values of SAR than the free space. It is found that the absorption rate is high for both the enclosures but cylindrical enclosure exhibit higher SAR values than cubical. Thus the high absorption rate in the metallic enclosure is reduced by using dielectric materials like ferrite and glass as an absorbing layer.
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