FEL2009 - List of Authors (Danared, H.)

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Danared, H.

Paper	Title	Page
WEPC15	Characterization and Fiducialization of the XFEL Undulator Quadrupoles	530
	F. Hellberg, H. Danared, A. Hedqvist MSL, Stockholm Y. Holler, B. Krause, A. Petrov, J. Pflüger DESY, Hamburg
	A rotating coil system has been set-up at the Manne-Siegbahn Laboratory to characterize the XFEL undulator quadrupoles with respect to magnetic center stability. In combination with a coordinate measuring machine the position of the magnetic center with respect to fiducials is measured. The rotating coil system has previously been used to measure the magnetic center stability with respect to magnet excitation for two prototype magnets with yokes of different materials [1]. That work has now been extended to a third material for the yoke. Here the results from measurements of the prototype magnets are presented together with results from test measurements performed to determine the accuracy of the fiducialization process. [1] F. Hellberg et al, "Investigation of Quadrupole Magnets for the XFEL Project Using a Rotating Coil Set-up", FEL08, TUPPH044, Gyeongju, Korea, 2008

Paper

Title

Page

WEPC15

Characterization and Fiducialization of the XFEL Undulator Quadrupoles

530

F. Hellberg, H. Danared, A. Hedqvist
MSL, Stockholm
Y. Holler, B. Krause, A. Petrov, J. Pflüger
DESY, Hamburg

A rotating coil system has been set-up at the Manne-Siegbahn Laboratory to characterize the XFEL undulator quadrupoles with respect to magnetic center stability. In combination with a coordinate measuring machine the position of the magnetic center with respect to fiducials is measured. The rotating coil system has previously been used to measure the magnetic center stability with respect to magnet excitation for two prototype magnets with yokes of different materials [1]. That work has now been extended to a third material for the yoke. Here the results from measurements of the prototype magnets are presented together with results from test measurements performed to determine the accuracy of the fiducialization process.

[1] F. Hellberg et al, "Investigation of Quadrupole Magnets for the XFEL Project Using a Rotating Coil Set-up", FEL08, TUPPH044, Gyeongju, Korea, 2008