Collective Deceleration of Laser-Driven Electron Bunches

S. Chou, J. Xu, K. Khrennikov, D. E. Cardenas, J. Wenz, M. Heigoldt, L. Hofmann, L. Veisz, S. Karsch

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26 Scopus citations

Abstract

Few-fs electron bunches from laser wakefield acceleration (LWFA) can efficiently drive plasma wakefields (PWFs), as shown by their propagation through underdense plasma in two experiments. A strong and density-insensitive deceleration of the bunches has been observed in 2 mm of 1018 cm-3 density plasma with 5.1 GV/m average gradient, which is attributed to a self-driven PWF. This observation implies that the physics of PWFs, usually relying on large-scale rf accelerators as drivers, can be studied by tabletop LWFA electron sources.

Original languageEnglish
Article number144801
JournalPhysical Review Letters
Volume117
Issue number14
DOIs
StatePublished - 27 Sep 2016

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