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

C. Thaury; S. Corde; A. Lifschitz; G. Lambert; K. Ta Phuoc; X. Davoine; R. Lehe; D. Douillet; A. Rousse; V. Malka

doi:10.1117/12.2017422

7 May 2013 Observations of longitudinal and transverse self-injections in laser-plasma wakefield accelerators

C. Thaury, S. Corde, A. Lifschitz, G. Lambert, K. Ta Phuoc, X. Davoine, R. Lehe, D. Douillet, A. Rousse, V. Malka

Proceedings Volume 8779, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III; 877907 (2013) https://doi.org/10.1117/12.2017422
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

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.

Citation Download Citation

C. Thaury, S. Corde, A. Lifschitz, G. Lambert, K. Ta Phuoc, X. Davoine, R. Lehe, D. Douillet, A. Rousse, and V. Malka "Observations of longitudinal and transverse self-injections in laser-plasma wakefield accelerators", Proc. SPIE 8779, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III, 877907 (7 May 2013); https://doi.org/10.1117/12.2017422

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