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Title: Changes in specific absorption rate in the head due to metallic gap loops and a simulated mobile phone source in a study of the effects of jewellery
Authors: Whittow, W.G.
Panagamuwa, C.J.
Edwards, R.M.
Bashir, Shahid
Vardaxoglou, J.C.
Issue Date: 2008
Publisher: © Institute of Electrical and Electronics Engineers (IEEE)
Citation: WHITTOW, W. G. ... et al, 2008. Changes in specific absorption rate in the head due to metallic gap loops and a simulated mobile phone source in a study of the effects of jewellery. 2008 Loughborough Antennas and Propagation Conference, Loughborough, UK, 17-18 March, pp. 197-200
Abstract: This paper investigates Specific Absorption Rates (SAR) in the human head due to partial metallic gap loops (incomplete circular jewellery rings) at 1800MHz. A Finite-Difference Time-Domain (FDTD) code was used to analyse different sizes and positions of circular rings with a section removed, near a homogenous cubic phantom with a dipole excitation. These partial loops significantly increased the SAR. Measurements from a DASY4 measurement system as well as commercial code results are used for validation. The FDTD code has also been used to analyse the effects of metallic jewellery gap loops when added to the nose of an anatomically realistic digital human head with a realistic source. A monopole on a box was placed in front of the face to represent a PDA. The gap loops on the nose of the realistic head behaved similarly to those near the cubic head. Gap loops of different sizes resonated when their orientation were changed. This means that smaller sizes of jewellery, in certain geometries, may resonate when used with mobile communications equipment than was previously expected.
Description: This is a conference paper [© 2008 IEEE]. It is also available from: http://ieeexplore.ieee.org/ Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
URI: https://dspace.lboro.ac.uk/2134/3341
ISBN: 9781424418947
Appears in Collections:Conference Papers and Contributions (Electronic, Electrical and Systems Engineering)

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