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A study of the effects of metallic pins on SAR using a Specific Anthropomorphic Mannequin (SAM) Head Phantom

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posted on 2007-11-08, 12:13 authored by C.J. Panagamuwa, W.G. Whittow, R.M. Edwards, J.C. Vardaxoglou
This paper presents the effects of facial metallic pins on the Specific Absorption Rate (SAR) in the head, when radiated by a microwave source placed in front of the face. A Specific Anthropomorphic Mannequin (SAM) is adapted for use with a DASY4 and a digitised SAM head is modelled using inhouse Finite-Difference Time-Domain (FDTD) code, enabling comparisons between measurements and simulations. A continuous wave (CW) half-wave dipole is placed in front of the face, representing a communications enabled personal data assistant mobile communications equipment (PDAMCE). Parametric studies have shown that metallic pins that are roughly half a wavelength long placed along the eyebrow, increase the 1g and 10g SARs at 900MHz by around five fold. A greater than five fold increase is seen at 1800MHz. Measurements show very good agreement with simulations.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

PANAGAMUWA, C.J. ... et al, 2007. A study of the effects of metallic pins on SAR using a Specific Anthropomorphic Mannequin (SAM) Head Phantom. IN: Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, UK

Publication date

2007

Notes

This is a conference paper

Language

  • en

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