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J Electromagn Eng Sci > Volume 14(4); 2014 > Article
Journal of Electromagnetic Engineering and Science 2014;14(4):336-341.
DOI: https://doi.org/10.5515/JKIEES.2014.14.4.336   
Measurement Data Comparison of Fast SAR Measurement System by Probe Arrays with Robot Scanning SAR Measurement System
Jun Hee Kim, Yoon-Myoung Gimm
Department of Electronics and Electrical Engineering, Dankook University
Abstract
Dosimetry of radiating electromagnetic wave from mobile devices to human body has been evaluated by measuring Specific Absorption Rate (SAR). Usual SAR measurement system scans the volume by robot arm to evaluate RF power absorption to human body from wireless devices. It is possible to fast estimate the volume SAR by software deleting robot moving time with the 2D surface SAR data acquired by arrayed probes. This paper shows the principle of fast SAR measurement and the measured data comparison between the fast SAR system and the robot scanning system. Data of the fast SAR is well corresponding with data of robot scanning SAR within ${pm}3$ dB, and its dynamic range covers from 10 mW/kg to 30 W/kg with 4.8 mm probe diameter.
Key words: 2D Array, E-Field Probe, Fast SAR, Human Safety, Radio Frequency
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