Title :
A numerical approach for the determination of the tissue equivalent liquid used during SAR assessments
Author :
Monebhurrun, Vikass ; Dale, Christian ; Bolomey, Jean-Charles ; Wiart, Joe
Author_Institution :
Ecole Superieure d´´Electr., Gif-sur-Yvette, France
fDate :
3/1/2002 12:00:00 AM
Abstract :
The present paper describes a finite difference time domain-based numerical approach to determine the dielectric properties of the tissue equivalent liquid employed in homogeneous phantoms when testing the specific absorption rate (SAR) compliance of mobile phones. A first numerical simulation performed with a realistic anatomical head model provides the reference averaged SAR value. Several similar simulations are then carried out using a homogeneous head model by varying the dielectric parameters of the tissue equivalent liquid. The desired dielectric parameters of the liquid are derived by matching the maximum averaged SAR with the reference value
Keywords :
biological effects of fields; biological tissues; dielectric liquids; finite difference time-domain analysis; anatomical head model; dielectric properties; electromagnetic field; finite difference time domain method; homogeneous phantom; mobile phone; numerical simulation; specific absorption rate measurement; tissue equivalent liquid; Dielectric liquids; Finite difference methods; GSM; Imaging phantoms; Magnetic field measurement; Magnetic heads; Mobile handsets; Numerical simulation; Specific absorption rate; Testing;
Journal_Title :
Magnetics, IEEE Transactions on