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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.


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: