Combined function magnet profile design

Conformal mapping has been used in the past to generate magnet poleface contours. The present effort extends a notion considered previously in which a plane of symmetry was introduced. One further mapping permits the plane of symmetry to be transformed into a curved surface of bifurcation. A magnetostatic problem set on one side may be continued into the other side thereby providing an exact solution on both sides. An application is made for the Beijing Synchrotron booster magnet