Femtosecond Probing of Plasma Wakefields and Observation of the Plasma Wake Reversal Using a Relativistic Electron Bunch

C. J. Zhang, J. F. Hua, Y. Wan, C. H. Pai, B. Guo, J. Zhang, Y. Ma, F. Li, Y. P. Wu, H. H. Chu, Y. Q. Gu, X. L. Xu, W. B. Mori, C. Joshi, J. Wang, W. Lu

研究成果: 雜誌貢獻期刊論文同行評審

47 引文 斯高帕斯(Scopus)

摘要

We show that a high-energy electron bunch can be used to capture the instantaneous longitudinal and transverse field structures of the highly transient, microscopic, laser-excited relativistic wake with femtosecond resolution. The spatiotemporal evolution of wakefields in a plasma density up ramp is measured and the reversal of the plasma wake, where the wake wavelength at a particular point in space increases until the wake disappears completely only to reappear at a later time but propagating in the opposite direction, is observed for the first time by using this new technique.

原文???core.languages.en_GB???
文章編號064801
期刊Physical Review Letters
119
發行號6
DOIs
出版狀態已出版 - 9 8月 2017

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