Design of a Simple 3-D Magnetic Field Mapper

An important factor in creating coil gradients is knowing the magnetic field that they would generate. Devices that are able to map all the vector fields of these gradients can be difficult to design and construct. I will describe the design process for a simple mapper that can measure magnetic fields effectively. My talk will feature various methods to reduce positional uncertainty, and discuss our process for choosing materials. I will do an overview of the mechanical analysis to show the statics and stress properties of the mapper design, and how they have affected the design process. The mapper presented has been designed for use in a magnetically shielded room (MSR) used in the Los Alamos neutron Electric Dipole Moment, but its design principles can be used more widely.