Single-shot betatron source size measurement from a laser-wakefield accelerator

被引：14
|
作者：
Koehler, A. [1 ,2 ]
Couperus, J. P. [1 ,2 ]
Zarini, O. [1 ,2 ]
Jochmann, A. [1 ]
Irman, A. [1 ]
Schramm, U. [1 ,2 ]
机构：
[1] HZDR, Bautzner Landstr 400, D-01328 Dresden, Germany
[2] TUD, D-01062 Dresden, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2016年 / 829卷
关键词：
Betatron radiation; LWFA; Laser-wakefield acceleration; ELECTRONS;
D O I：
10.1016/j.nima.2016.02.031
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Betatron radiation emitted by accelerated electrons in laser-wakefield accelerators can be used as a diagnostic tool to investigate electron dynamics during the acceleration process. We analyze the spectral characteristics of the emitted Betatron pattern utilizing a 2D x-ray imaging spectroscopy technique. Together with simultaneously recorded electron spectra and x-ray images, the betatron source size, thus the electron beam radius, can be deduced at every shot. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：265 / 269
页数：5
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