Elliptically polarizing insertion devices at BESSY II

被引：59

作者：

Bahrdt, J

Frentrup, W

Gaupp, A

Scheer, M

Gudat, W

Ingold, G

Sasaki, S

机构：

[1] BESSY GmbH Expriments, D-12489 Berlin, Germany

[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[3] Argonne Natl Lab, Argonne, IL 60439 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2001年 / 467卷

关键词：

elliptically polarizing undulators; double undulator; magnet block inhomogeneities;

D O I：

10.1016/S0168-9002(01)00554-X

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Two APPLE II type twin undulators are installed at BESSY II. They can either be operated in a chicane mode providing variable polarization at high switching rates or in a combined mode using a modulator for phase adaption. Studies on magnet block inhomogeneities have started to further improve the field quality and to reduce the effort on shimming. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：21 / 29

页数：9

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