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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

Research interests

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

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. Laistler, E. et al., 2017. In vivo MRI of the human finger at 7 T. Magnetic Resonance in Medicine. Available at:
  2. Navarro de Lara, L.I. et al., 2017. High-sensitivity TMS/fMRI of the Human Motor Cortex Using a Dedicated Multichannel MR Coil. NeuroImage, 150, pp.262-269. Available at:
  3. Frass-Kriegl, R. et al., 2016. Multi-turn multi-gap transmission line resonators - Concept, design and first implementation at 4.7T and 7T. Journal of Magnetic Resonance, 273, pp.65-72. Available at:
  4. Goluch, S. et al., 2014. A form-fitted three channel31P, two channel1H transceiver coil array for calf muscle studies at 7 T. Magnetic Resonance in Medicine, 73(6), pp.2376-2389. Available at:
  5. Kriegl, R. et al., 2014. Novel inductive decoupling technique for flexible transceiver arrays of monolithic transmission line resonators. Magnetic Resonance in Medicine, 73(4), pp.1669-1681. Available at: