NDLI: International intercomparison of specific absorption rates in a flat absorbing phantom in the near-field of dipole antennas

Content Provider	IEEE Xplore Digital Library
Author	Davis, C.C. Beard, B.B. Tillman, A. Rzasa, J. Merideth, E. Balzano, Q.
Copyright Year	1964
Abstract	This paper reports the results of an international intercomparison of the specific absorption rates (SARs) measured in a flat-bottomed container (flat phantom), filled with human head tissue simulant fluid, placed in the near-field of custom-built dipole antennas operating at 900 and 1800 MHz, respectively. These tests of the reliability of experimental SAR measurements have been conducted as part of a verification of the ways in which wireless phones are tested and certified for compliance with safety standards. The measurements are made using small electric-field probes scanned in the simulant fluid in the phantom to record the spatial SAR distribution. The intercomparison involved a standard flat phantom, antennas, power meters, and RF components being circulated among 15 different governmental and industrial laboratories. At the conclusion of each laboratory's measurements, the following results were communicated to the coordinators: Spatial SAR scans at 900 and 1800 MHz and 1 and 10 g maximum spatial SAR averages for cubic volumes at 900 and 1800 MHz. The overall results, given as mean standard deviation, are the following: at 900 MHz, 1 g average 7.850.76; 10 g average 5.160.45; at 1800 MHz, 1 g average 18.44plusmn1.65; 10 g average 10.14plusmn0.85, all measured in units of watt per kilogram, per watt of radiated power
Sponsorship	IEEE Electromagnetic Compatibility Society
Starting Page	579
Ending Page	588
Page Count	10
File Size	1092744
File Format	PDF
ISSN	00189375
Volume Number	48
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic propagation in absorbing media Dipole antennas Biological effects of electromagnetic radiation wireless phones FCC certification near-field antenna measurement specific absorption rate
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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