Maxwell coils

Maxwell coils

Analysis and Design of Gradient Coils

Published in Jianming Jin, in Magnetic Resonance Imaging, 2018

A simple and popular z-gradient coil is called the Maxwell coil pair, which consists of two circular loops having electric currents in opposite directions. As pointed out in Section 2.4, the Maxwell coil pair produces a magnetic field along its axis, designated as the z-axis, given by () Bz(z) = Bz′(0)z + O[(z/d)5]

Modeling and evaluation of magnetic fluid deformable mirror with dual-layer actuators

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Journal Information

Published in International Journal of Optomechatronics, 2019

Zhu Zhang, Xiang Wei, Zhizheng Wu, Gunner Scott, Yuanyuan Wang, Mei Liu, Merveilles Dziki

To linearize the response of the MFDM, Iqbal, Ben Amara, and Wu used a Helmholtz coil in their setup to produce a large uniform magnetic field and superposes to the magnetic field generated by the miniature actuators.[23,24] In this paper, a Maxwell coil is used to instead of the Helmholtz coil, which produces a uniform magnetic field up to the 6th order derivative with respect to the position near the center of the assembly.[25]

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Analysis and Design of Gradient Coils

Modeling and evaluation of magnetic fluid deformable mirror with dual-layer actuators