Head-SAR dependence on spectacle frame shape for operator of 450 MHz personal radio

A.D. Ball; N.E. Evans; S.J. Burgess; William Scanlon

doi:10.1049/el:20071497

Head-SAR dependence on spectacle frame shape for operator of 450 MHz personal radio

A.D. Ball, N.E. Evans, S.J. Burgess, William Scanlon

Research output: Contribution to journal › Article › peer-review

Abstract

Power deposition in the head of a user wearing metal-framed spectacles was calculated with a 450 MHz personal radio transmitting in close proximity. Peak tissue SAR in the head depended on lens shape whether circular half-rim or rectangular with 70 and 174% increases, respectively, compared to the spectacle-free case. However, localised screening occurred with square frames, with a 40% reduction of peak SAR in the eye closest to the antenna.

Original language	English
Pages (from-to)	1063-1065
Number of pages	3
Journal	Electronics Letters
Volume	43 (20)
Issue number	20
DOIs	https://doi.org/10.1049/el:20071497
Publication status	Published - Sep 2007

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1049/el:20071497

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abstract = "Power deposition in the head of a user wearing metal-framed spectacles was calculated with a 450 MHz personal radio transmitting in close proximity. Peak tissue SAR in the head depended on lens shape whether circular half-rim or rectangular with 70 and 174% increases, respectively, compared to the spectacle-free case. However, localised screening occurred with square frames, with a 40% reduction of peak SAR in the eye closest to the antenna.",

author = "A.D. Ball and N.E. Evans and S.J. Burgess and William Scanlon",

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