Wire scanner system for FLASH at DESY

被引：12
|
作者：
Hahn, U. [1 ]
Von Bargen, N. [1 ]
Castro, P. [1 ]
Hensler, O. [1 ]
Karstensen, S. [1 ]
Sachwitz, M. [1 ]
Thom, H. [1 ]
机构：
[1] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 592卷 / 03期
关键词：
wire scanner; electron beam; beam position; beam profile; free electron laser; undulator section;
D O I：
10.1016/j.nima.2008.04.018
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The design and implementation of a new kind of wire scanner for the Free Electron Laser at Hamburg (FLASH) is presented. In the undulator section of FLASH a set of seven wire scanner stations determine the relative position and the profile of the electron beam with a spatial resolution of a few mu m. They allow the measurement of the absolute beam position related to the undulator axis with a precision better than 50 mu m. Monte Carlo calculations are performed in order to get an optimal position for the scintillators, which are used to detect the secondary particles scattered by the wire. Results of beam trajectory and beam size measurements along the undulator section are presented. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：189 / 196
页数：8
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