Assessment of magnetic quadrupole pick-up structure at FRIB

A magnetic quadrupole pick-up structure is being assessed for creation and future use at The Facility for Rare Isotope Beams (FRIB) at Michigan State University (MSU). The geometric design makes use of magnetic loops that couple with the radial magnetic field of a beam, allowing for rejection of the common mode of the beam, while leaving the dipole signal as the dominant signal and enhancing the quadruple signal of the beam. Of interest is examining the response due to the multiple charge state heavy ion beams that FRIB produces and the ability to resolve the differing charge states. Presented here is the optimization of the device for the FRIB beamline.