A model of a helical high field strength short period undulator

被引：2
|
作者：
Alexeev, MP [1 ]
Ivanov, DP [1 ]
Keilin, VE [1 ]
Kovalev, IA [1 ]
Kruglov, SL [1 ]
Varfolomeev, AA [1 ]
机构：
[1] Kurchatov Inst, Moscow 123182, Russia
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2005年 / 18卷 / 05期
关键词：
D O I：
10.1088/0953-2048/18/5/020
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A hybrid (superconducting + soft iron poles and yoke) short model of a helical undulator was designed, built and successfully tested. The parameters of the model were chosen close to the requirements for free electron laser undulators: 10 mm diameter clear bore, 28 mm period, 0.95 T design field. The number of full periods is 6. A NbTi composite multifilamentary strip was used in the winding. During the tests the central magnetic field reached 1.065 T at 1215 A operating current. As far as we are aware, the combination obtained of bore-to-period ratio and magnetic field strength can be considered one of the best achieved practically for helical undulators.
引用
收藏
页码：701 / 703
页数：3
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