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  • Title: Design analysis and validation of coaxial probe for tissue dielectric properties evaluation used in specific absorption rate measurement.
    Author: Naik BV.
    Journal: Electromagn Biol Med; 2022 Jan 02; 41(1):60-70. PubMed ID: 34856852.
    Abstract:
    This study distinguishes the design and analysis of a coaxial probe for measurement of biological body dielectric properties, in this measurement estimating the human tissue-equivalent liquid (TEL) permittivity and conductivity, to monitor and maintain the international standards for specific absorption rate (SAR) evaluation over the frequency band of 800 MHz-5 GHz. In addition, deionized (DI) water and ethanediol dielectric properties have been evaluated and the designed probe results compared to the commercial Dielectric Assessment kit (DAK) 3.5 probe. The obtained results are in good agreement with each other, moreover, the SAR calculation and each source of uncertainty budget analysis are estimated. Therefore, this fabricated probe may be suitable for liquid dielectric properties measurement.
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