摘要
Halbach磁体场强高、体积小,是永磁台式核磁共振波谱仪的理想磁源。为开发高分辨永磁台式核磁共振波谱仪,需要使Halbach磁体的磁场达到高度均匀。引入在超导磁体中被广泛使用的鞍型线圈,设计了一种由鞍型线圈组成、能够对Halbach磁体的横向磁场进行补偿的柱面匀场线圈。仿真和实验结果证明了设计方法的正确性。
The geometry of a Halbach magnet is ideal for use as a magnetic field source in a table-top nuclear magnetic resonance（NMR） spectrometer.But the magnetic field of an unmodified Halbach magnet is not sufficiently homogeneous to allow observation of a nuclear magnetic resonance signal.In this paper,the saddle coils,which are used in the superconducting magnet,are introduced into the shimming of Halbach magnet.For the development of high resolution table-top NMR spectrometer,the special cylinder shim coils comprised of saddle coils are designed to improve the homogeneity of the transverse magnetic field of Halbach magnet.
出处
《电工技术学报》
EI
CSCD
北大核心
2010年第1期6-13,23,共9页
Transactions of China Electrotechnical Society
