Abstract #0653

Optical Field Probes for MRI

Hans Stærkind^1,2, Vincent Oltman Boer¹, Kasper Jensen³, Eugene Simon Polzik², and Esben Thade Petersen^1,4

¹Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark, ²Quantop, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark, ³School of Physics and Astronomy, University of Nottingham, Nottingham, United Kingdom, ⁴Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark

A novel optical field probe is described for the precision measurement of high magnetic fields. The advantages over traditional field probes are two-fold. First, there is no electromagnetic interference with the other parts of the MRI system such as the RF coil. Secondly, the setup allows for a continuous and long readout of the magnetic field during an MRI sequence, where traditional NMR probes typically operate in a pulsed mode.

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