A magnetic field with no or only a very small gradient. NMR teslameters can only be used in fields that are relatively homogeneous. MRI magnets are shimmed to make them as homogeneous as possible.
A magnetic field with no or only a very small gradient. NMR teslameters can only be used in fields that are relatively homogeneous. MRI magnets are shimmed to make them as homogeneous as possible.