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Roberta Frass-Kriegl
Roberta Frass-Kriegl, MSc, PhD

Center for Medical Physics and Biomedical Engineering
Position: Research Assistant

ORCID: 0000-0002-8840-4602
T +43 1 40400 17720

Further Information


Biomedical Engineering; Computer Simulation; Electromagnetic Fields; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy

Research group(s)

Research interests

  • ultra-high field MRI and MRS
  • Multi-channel receive and transmit MR coils
  • EM simulation
  • RF measurement techniques
  • Wireless MR

Techniques, methods & infrastructure

Our RF lab is equipped with three network analyzers (Agilent E5071C, Agilent E6061B, HP 3577A), oscilloscopes, soldering stations, and a variety of mechanical tools.
For 3D electromagnetic simulations of RF coils, software packages Remcom XFdtd and Agilent ADS running on a dedicated workstation with four NVIDIA Tesla C2070 GPUs are available.


  • MR-PaP (2022)
    Source of Funding: FFG (Austrian Research Promotion Agency), Talente
    Principal Investigator
  • T4MR - Technology for Mimicking and Managing Motion in Magnetic Resonance (2022)
    Source of Funding: Medical University of Vienna, CMPBME Focus Grant
    Principal Investigator
  • MRT und HF Technik (2019)
    Source of Funding: FFG (Austrian Research Promotion Agency), Talente
    Principal Investigator
  • Development of a wireless optical link for the transmission of MR signals (2018)
    Source of Funding: OeAD (Austrian agency for international mobility and cooperation in education, science and research), Scientific & Technological Cooperation
    Principal Investigator

Selected publications

  1. Nohava, L. et al., 2020. Perspectives in Wireless Radio Frequency Coil Development for Magnetic Resonance Imaging. Frontiers in Physics, 8. Available at:
  2. Frass-Kriegl, R. et al., 2020. Multi-Loop Radio Frequency Coil Elements for Magnetic Resonance Imaging: Theory, Simulation, and Experimental Investigation. Frontiers in Physics, 7. Available at:
  3. Navarro de Lara et al., 2019. Design, Implementation, and Evaluation of a Head and Neck MRI RF Array Integrated with a 511 keV Transmission Source for Attenuation Correction in PET/MR. Sensors, 19(15), p.3297. Available at:
  4. Frass-Kriegl, R. et al., 2018. Flexible 23-channel coil array for high-resolution magnetic resonance imaging at 3 Tesla C. M. Deniz, ed. PLOS ONE, 13(11), p.e0206963. Available at:
  5. Goluch, S. et al., 2018. Proton-decoupled carbon magnetic resonance spectroscopy in human calf muscles at 7 T using a multi-channel radiofrequency coil. Scientific Reports, 8(1). Available at: