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Abstract #3910

Spatiotemporal Magnetic Field Monitoring with Hall Effect Sensors

Koray Ertan1, Soheil Taraghinia1, Ayca Takmaz2, Secil Eda Dogan2, Safa Ozdemir1, and Ergin Atalar1

1National Magnetic Resonance Research Center (UMRAM), Bilkent University, Ankara, Turkey, 2Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey

Hall effect sensors can be used to monitor the spatiotemporal field dynamics. However, measurement of the z component of the magnetic field (Bz) requires very large dynamic range for the Hall effect sensors due to superposition of encoding fields with main magnetic field (B0). Instead, we propose to measure the transverse components of the magnetic field in several spatial positions to reconstruct spatiotemporal dependency of Bz and we have demonstrated reconstruction of the first order spherical harmonic field distributions.

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