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The S 11-parameter Analysis of Multi-slot Coaxial Antenna with Periodic Slots

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Analysis and Simulation of Electrical and Computer Systems

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 452))

Abstract

The motivation behind this study is specifying the proper arrangement of periodic air slots within the multi-slot coaxial antenna with 50-Ω feeding load operating at 2.45 GHz to provide the conformal microwave thermotherapy. The desired temperature profile of the liver tissue was numerically evaluated for coupled electromagnetic and thermal problems by the finite element method. Considering the growing number of radiating apertures within the thin microwave needle applicator requires some unique optimization approach based on the S 11-parameter characteristics to guarantee the best antenna–tissue impedance matching. Moreover, the proposed multi-step iterative numerical procedure allows effective modelling of optimal placement of the periodic slots of microwave antenna, required limit levels of the antenna power input and thus conformal cancer treatment for both interstitial microwave hyperthermia and thermal ablation.

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Authors and Affiliations

  1. Department of Electrical and Power Engineering, AGH University of Science and Technology, al. Mickiewicza 30, 30-059, Krakow, Poland

    Piotr Gas

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  1. Piotr Gas
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Correspondence to Piotr Gas .

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Editors and Affiliations

  1. Department of Electrical and Computer Engineering Fundamentals, Rzeszów University of Technology, Rzeszów, Poland

    Damian Mazur

  2. Department of Electrical and Computer Engineering Fundamentals, Rzeszów University of Technology, Rzeszów, Poland

    Marek Gołębiowski

  3. Department of Electrical and Computer Engineering Fundamentals, Rzeszów University of Technology, Rzeszów, Poland

    Mariusz Korkosz

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Gas, P. (2018). The S 11-parameter Analysis of Multi-slot Coaxial Antenna with Periodic Slots. In: Mazur, D., Gołębiowski, M., Korkosz, M. (eds) Analysis and Simulation of Electrical and Computer Systems. Lecture Notes in Electrical Engineering, vol 452. Springer, Cham. https://doi.org/10.1007/978-3-319-63949-9_24

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  • DOI: https://doi.org/10.1007/978-3-319-63949-9_24

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