Halbach array
![The flux diagram of a Halbach array](/Images/godic/202501/16/Halbach_array_field1353.jpg")
![A Halbach array, showing the orientation of each piece's magnetic field. This array would give a strong field underneath, while the field above would cancel.](/Images/godic/202501/16/Halbach2.svg1353.png")
![Cancellation of magnetic components resulting in a one-sided flux](/Images/godic/202501/16/HalbachArray11353.png")
![The magnetic field around an infinite Halbach array of cube magnets. The field does not cancel perfectly due to the discrete magnets used.](/Images/godic/202501/16/InfiniteHalbachArray1353.JPG")
A Halbach array is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side. This is achieved by having a spatially rotating pattern of magnetisation.