Design of small-scale gradient coils in magnetic resonance imaging by using the topology optimization method
Pan Hui1, 2, Jia Feng3, †, Liu Zhen-Yu1, ‡, Zaitsev Maxim3, Hennig Juergen3, G Korvink Jan4
       

(color online) Conventional gradient coils: (a) Maxwell coil, (b) z-gradient coil calculated by stream function method, (c) Golay coil, and (d) y-gradient coil calculated by stream function method.