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  • Letter
  • Open Access

Bragg scattering induced laser deflection and electron injection in x-ray laser driven wakefield acceleration in crystals

Xiangyan An1,2, Min Chen1,2,*, Suming Weng1,2, Zhengming Sheng1,2,3, and Jie Zhang1,2,3

  • 1Key Laboratory for Laser Plasmas (MoE), School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai 200240, China
  • 3Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 200240, China

  • *minchen@sjtu.edu.cn
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Phys. Rev. Research 4, L042034 – Published 22 November, 2022

DOI: https://doi.org/10.1103/PhysRevResearch.4.L042034

Abstract

Propagation of intense ultrashort x-ray laser pulse in a metal crystal and its effects on x-ray laser-driven wakefield acceleration are theoretically and numerically investigated with particle-in-cell simulations, where the bound electron effects are included. New features of laser pulse dissipation due to Bragg scattering have been observed and analyzed. The beat wave generated by the drive laser and scattered laser results in plasma density modulation and subsequent drive laser deflection. Continuous electron injection into the wakefields is also found due to the beat wave. These new features of laser propagation, wake generation, and electron injection provide effective controls on x-ray laser driven wakefield acceleration, where an acceleration gradient as high as 0.75 TV/cm is numerically demonstrated.

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References (32)

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Phys. Rev. Research 4, L042034– Published 22 November, 2022
  • Received 10 August 2022
  • Accepted 24 October 2022
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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