期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2016.02.031
关键词
Betatron radiation; LWFA; Laser-wakefield acceleration
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.
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