SQUID-based instrumentation for ultralow-field MRI

@article{Zotev2007SQUIDbasedIF,
  title={SQUID-based instrumentation for ultralow-field MRI},
  author={V. Zotev and A. Matlashov and P. Volegov and A. Urbaitis and M. Espy and R. Kraus},
  journal={Superconductor Science and Technology},
  year={2007},
  volume={20}
}
Magnetic resonance imaging at ultralow fields (ULF MRI) is a promising new imaging method that uses SQUID sensors to measure the spatially encoded precession of pre-polarized nuclear spin populations at a microtesla-range measurement field. In this work, a seven-channel SQUID system designed for simultaneous 3D ULF MRI and magnetoencephalography (MEG) is described. The system includes seven second-order SQUID gradiometers characterized by magnetic field resolutions of 1.2–2.8 fT Hz−1/2. It is… Expand
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