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      An arbitrary waveform MPI scanner

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      Author(s)
      Alyuz, Beril
      Date
      2022
      Source Title
      International Journal on Magnetic Particle Imaging
      Electronic ISSN
      2365-9033
      Publisher
      Infinite Science Publishing
      Volume
      8
      Issue
      1Suppl 1
      Pages
      1 - 4
      Language
      English
      Type
      Article
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      Abstract
      In magnetic particle imaging (MPI) systems, impedance matching or tuning circuitry has to be employed at a particular operating frequency to handle the reactive power. In this work, we propose a drive coil design with a Rutherford cable winding comprised of 12 Litz wires twisted together to enable arbitrary waveform (AW) characteristics in an MPI scanner. The AW drive coil achieves a 144-fold reduction in inductance and 12-fold reduction in voltage to generate a given drive field amplitude, compared to a standard drive coil with regular Litz wire windings. With imaging experiments, we show that the proposed design can enable imaging in a wide bandwidth, providing flexibility for different functional imaging applications of MPI.
      Permalink
      http://hdl.handle.net/11693/111747
      Published Version (Please cite this version)
      https://doi.org/10.18416/IJMPI.2022.2203077
      Collections
      • Aysel Sabuncu Brain Research Center (BAM) 249
      • Department of Electrical and Electronics Engineering 4011
      • National Magnetic Resonance Research Center (UMRAM) 301
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