Title | ||
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Sar-Probe Calibration System Using Reference Dipole Antenna In Tissue-Equivalent Liquid |
Abstract | ||
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The probe used in the conventional SAR measurement is usually calibrated in a well filled with tissue-equivalent liquid surrounded by a rectangular waveguide and a matching dielectric window in the frequency range from 800 MHz to 3 GHz. However, below 800 MHz, the waveguides are too large to be used for the calibration. Therefore, we have developed another technique of calibrating the SAR-probe, that is, relating the output voltage of the probe to the field intensity produced by a reference antenna in the tissue-equivalent liquid by using two-antenna method. In this paper, the calibration system using the reference dipole antennas in the liquid at 450 MHz, 900 MHz and 2450 MHz is presented and far-field gain of the reference antenna and calibration factor of the SAR-probe are measured and compared with those obtained by using the conventional waveguide system. |
Year | DOI | Venue |
---|---|---|
2012 | 10.1587/transcom.E95.B.60 | IEICE TRANSACTIONS ON COMMUNICATIONS |
Keywords | Field | DocType |
specific absorption rate (SAR), probe, calibration, tissue-equivalent liquid, two-antenna method, gain | Dipole antenna,Reference antenna,Antenna measurement,Computer science,Dielectric,Waveguide (optics),Waveguide,Optics,Antenna factor,Calibration,Distributed computing | Journal |
Volume | Issue | ISSN |
E95B | 1 | 0916-8516 |
Citations | PageRank | References |
2 | 0.91 | 2 |
Authors | ||
5 |
Name | Order | Citations | PageRank |
---|---|---|---|
Nozomu Ishii | 1 | 7 | 4.46 |
Yukihiro Miyota | 2 | 2 | 0.91 |
Ken-ichi Sato | 3 | 6 | 3.14 |
Lira Hamada | 4 | 6 | 3.81 |
Soichi Watanabe | 5 | 13 | 15.03 |