Improved Field Homogeneity for Transmission Line MRI Coils Using Series Capacitors

Vitaliy Zhurbenko, Yunfeng Dong

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    Abstract

    High field magnetic resonance imaging (MRI) systems often use short sections of transmission lines for generating and sensing alternating magnetic fields. Due to distributed nature of transmission lines, the generated field is inhomogeneous. This work investigates the application of series capacitors to improve the field homogeneity. The resulting magnetic field distribution is estimated analytically and evaluated numerically. The results are compared to a case of a conventional transmission line coil realization.
    Original languageEnglish
    Title of host publicationProceedings. 2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)
    Number of pages5
    PublisherIEEE
    Publication date2015
    ISBN (Print)978-1-5090-0431-7
    DOIs
    Publication statusPublished - 2015
    Event2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - Porto de Galinhas, Brazil
    Duration: 3 Nov 20156 Nov 2015
    https://ieeexplore.ieee.org/xpl/conhome/7363713/proceeding

    Conference

    Conference2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference
    Country/TerritoryBrazil
    CityPorto de Galinhas
    Period03/11/201506/11/2015
    Internet address

    Keywords

    • Magnetic resonance imaging
    • MRI coil
    • Transmission line
    • TEM coil

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