Optimal Active Length for Microwave Applicator With a Compact Choke: Surface Current Analysis

In this paper, a compact, quarter-wave coaxial choke design for targeted heat delivery for intracavitary hyperthermia is presented. Antenna performance was evaluated numerically and compared in terms of SAR and power reflection characteristics for varying active antenna lengths and choke position on...

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Bibliographic Details
Published in2020 IEEE MTT-S International Microwave Biomedical Conference (IMBioC) pp. 1 - 3
Main Authors KP, Shabeeb Ahamed, Arunachalam, Kavitha
Format Conference Proceeding
LanguageEnglish
Published IEEE 14.12.2020
Subjects
choke
Electromagnetic heating
Frequency measurement
Hyperthermia
Inductors
intracavitary antennas
Microwave antennas
monopole
quarter-wave
Reflection
Reflector antennas
SAR
surface current
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Summary:In this paper, a compact, quarter-wave coaxial choke design for targeted heat delivery for intracavitary hyperthermia is presented. Antenna performance was evaluated numerically and compared in terms of SAR and power reflection characteristics for varying active antenna lengths and choke position on the outer conductor, and the results were experimentally validated in liquid phantom.
DOI:10.1109/IMBIoC47321.2020.9385040