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The Design and Simulation of Two-Armed Spiral Antenna for Microwave Hyperthermia

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3 Author(s)
Du Yong-Xing ; Sch. of Autom. & Inf. Eng., Xi'an Univ. of Technol., Xi'an, China ; Xi Xiao-li ; Guo Wei

A novel two-armed Archimedes planar spiral microwave hyperthermia antenna is presented in this paper. It isn't sensitive to neither its parameters nor fluctuation of the inputting frequency, and its heating region can be controlled by input frequency, 915 MHz or 2450 MHz, to ensure the treatment on the precondition that the normal tissue will not be damaged. The finite element method was used to simulate the distributions of the electromagnetic fields and the specific absorption rate (SAR) of the antenna heating the muscle tissues. The factors that affect the antenna performance including spiral wire's diameter, space of adjacent spiral circle and circle numbers are compared.

Published in:

Bioinformatics and Biomedical Engineering, (iCBBE) 2011 5th International Conference on

Date of Conference:

10-12 May 2011