一种基于高温超导带材的超导波荡器磁体概念设计  

A conceptual design of undulator magnets based on high temperature superconductor

作　　者：刘世昌 丁祎[3] 许皆平 Liu Shichang;Ding Yi;Xu Jieping(University of Chinese Academy of Sciences,Beijing 100049,China;Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201204,China;Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai 201210,China)

机构地区：[1]中国科学院大学,北京100049 [2]中国科学院上海应用物理研究所,上海201800 [3]中国科学院上海高等研究院,上海201210

出　　处：《低温与超导》2020年第5期24-28,共5页Cryogenics and Superconductivity

基　　金：国家自然科学基金(11505274、11275254)资助。

摘　　要：提出了一种新型的可连续绕线的二代高温超导波荡器磁体。波荡器磁体采用"水平跑道型"无绝缘线圈结构,其周期长度为16 mm,绕线带材的宽度为4 mm,厚度为55μm。利用转向器,波荡器磁体的一个绕线槽中的带材可以被引导至相邻的线槽而达到连续绕线的目的。另外,还对此类三周期的波荡器磁体在不同温区,不同带材宽度和不同磁体间隙的条件下的临界电流密度,垂直于带材的磁场和束流中心轴向磁场等参数进行了计算。This paper presented a new type of undulator magnets with continuous windings based on second-generation high-temperature superconductor. The undulator magnets with period length of 16 mm adopted the technology of "horizontal racetrack" windings with non-insulated coils. The width and thickness of superconductor tape was 4 mm and 55 μm respectively. The design of a diverter allowed the tape to be continuously wound from one winding groove of the undulator magnet to the adjacent groove without using a superconducting joint. In addition, the critical current density, the perpendicular magnetic field on the tape and the magnet field on the orbit of such three-period undulator magnets under different temperature regions,different widths of tape and different magnet gaps were calculated in this paper.

关 键 词：超导波荡器 REBCO带材 高温超导磁体 光源插入件 

分 类 号：TM574.7[电气工程—电器]