CST – Computer Simulation Technology

Electromagnetic (EM) absorption reduction in a muscle cube with metamaterial attachment

Title:
Electromagnetic (EM) absorption reduction in a muscle cube with metamaterial attachment
Author(s):
M.R.I. Faruque, M.T. Islam, N. Misran
Source:
Medical Engineering & Physics
Vol./Issue/Date:
Volume: 33, Issue: 5, June 2011
Year:
2011
Page(s):
646-652
Keywords:
Antenna, Metamaterial, Muscle cube, SRRs, SAR
Abstract:
The purpose of this paper is to calculate the specific absorption rate (SAR) reduction in a muscle cube with metamaterial attachment. The finite-difference time-domain (FDTD) method has been used to evaluate the SAR in a realistic anatomically based model of the muscle cube. In this paper, we have designed the single-negative metamaterials from a periodic arrangement of split ring resonators (SRRs). By properly designing the structural parameter of the SRRs, the effective medium parameter can be tuned negative at the 900MHz and 1800MHz bands. Numerical results concerning the SAR values in the muscle cube in the presence of resonators exhibit significant SAR reduction. These results can provide useful information when designing safety-compliant mobile communication equipment.
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