Abstract #1859
Optical E-Field Measurements in the MR Environment with High Spatial Resolution
Simon Rei 1 , Andreas Bitzer 2 , and Michael Bock 1
1
Radiology - Medical Physics, University
Medical Center Freiburg, Freiburg, Germany,
2
Biolab
Technology AG, Zrich, Switzerland
The accurate and localized measurement of electric
fields in MRI is very important to assess RF safety
hazards. In this work we present a purely optical sensor
which is substantially smaller than existing dipoles to
measure E-fields with high spatial resolution in a
clinical MR system. This sensor allows for MR-safety
inspections of RF coils and even for E-field assessment
of small metallic structures such as implants or
catheters in the MRI environment.
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