Keywords: Low-Field MRI, Magnets (B0)
Motivation: By adjusting individual coil currents, a loop coil array can generate a uniform B0 field and it offers the flexibility to control gradient field direction making it suitable for compact MRI systems.
Goal(s): The goal is to show that the loop coil array produces a uniform and/or gradient magnetic fields.
Approach: The current values of individual loops for a uniform magnetic field were determined by ptimization to achieve either uniform field strength, whose orientation can be rotated, or a linear field gradient
Results: A method for calculating required current values has been presented, and simulations validate its effectiveness.
Impact: Suggested coil arrays offer the potential for developing more compact and lighter MRI systems by substituting traditional magnets and 3-axis gradient coils in current low-field MRI setups.
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