Observations of longitudinal and transverse self-injections in laser-plasma wakefield accelerators

Abstract : One of the key ingredients of laser-plasma accelerators is their injector, which defines how electrons are trapped into the laser-driven plasma wave. The stability and control of laser-plasma electron bunches strongly depends on this injection stage. Self-injection is a convenient way to achieve the electron trapping and is the most widely used injector. Here we demonstrate, by using a variable length gas cell, that injection can be achieved by either longitudinal or transverse self-injection, giving rise to very different electron beam features. The results are supported by 3 dimensional particle-in-cell simulations.
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https://hal-ensta-paris.archives-ouvertes.fr//hal-01402024
Contributor : Pierre Zaparucha <>
Submitted on : Thursday, November 24, 2016 - 10:47:09 AM
Last modification on : Wednesday, July 3, 2019 - 10:48:03 AM

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Cédric Thaury, Sébastien Corde, Agustin Lifschitz, Guillaume Lambert, Kim Ta Phuoc, et al.. Observations of longitudinal and transverse self-injections in laser-plasma wakefield accelerators. Conference on Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III, Apr 2013, Prague, Czech Republic. ⟨10.1117/12.2017422⟩. ⟨hal-01402024⟩

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