Design of small-scale gradient coils in magnetic resonance imaging by using the topology optimization method

Pan Hui^{1, 2}, Jia Feng^{3, †}, Liu Zhen-Yu^{1, ‡}, Zaitsev Maxim³, Hennig Juergen³, G Korvink Jan⁴

(color online) Current-carrying surface , region of interest (ROI), and the developed design surface. The subdomain Ω₁ is used for optimization, where and r₀ is the radius of .