Magnetic Field Design of a Superconducting Multipole Wiggler for Imaging and Biomedical Application Beamline

被引：2
|
作者：
Wang, H. J. [1 ]
Xu, J. P. [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Mech Engn Div, Shanghai, Peoples R China
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2010年 / 20卷 / 03期
关键词：
Magnetic field; multipole; superconducting wiggler;
D O I：
10.1109/TASC.2010.2041544
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 21-pole superconducting wiggler magnet was designed for medical imaging beamline at Shanghai Synchrotron Radiation Facility (SSRF). The superconducting magnet consists of 21 pairs of NbTi racetrack coils with a period length of 140 mm, and can produce a central peak field of 4.05 T at a pole gap of 22 mm. The critical energy is 33 keV for 3.5 GeV storage ring and the energy of synchrotron photons from wiggler can cover a range from 20 keV to 120 keV for imaging method of K-edge subtraction, diffraction enhanced imaging, phase contrast, computed tomography and microbeam radiation therapy. This paper focuses on the magnetic field design.
引用
收藏
页码：300 / 303
页数：4
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