Dynamics of monoenergetic asymmetric injection of laser wakefield accelerator

Shao-Wei Chou; Sung-Wei Huang; Wei-Cheng Liu; Chen-Yu Tsai; Chun-Cheng Chu; Ming-Wei Lin; Shih-Hung Chen; Hsu-Hsin Chu

doi:10.1117/12.2665267

8 June 2023 Dynamics of monoenergetic asymmetric injection of laser wakefield accelerator

Shao-Wei Chou, Sung-Wei Huang, Wei-Cheng Liu, Chen-Yu Tsai, Chun-Cheng Chu, Ming-Wei Lin, Shih-Hung Chen, Hsu-Hsin Chu

Proceedings Volume 12579, Laser Acceleration of Electrons, Protons, and Ions VII; 1257906 (2023) https://doi.org/10.1117/12.2665267
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

The dynamics of electron injection from a shock front under a laser condition of a₀ > 3 and tight focusing (FWHM < 10 µm) laser condition has been studied by numerical simulations. Compared to a regular longitudinal shockfront injection, the transverse injection starts near the edge of the bubble with a narrow energy spread of < 13 MeV. The trajectories of the transverse injected electrons are more coherent than the longitudinal injection. By applying the tilted shock front, the betatron oscillation amplitude is significantly larger than the un-tilted shock front. The enhancement of the betatron radiation brightness has been observed.

Conference Presentation

Citation Download Citation

Shao-Wei Chou, Sung-Wei Huang, Wei-Cheng Liu, Chen-Yu Tsai, Chun-Cheng Chu, Ming-Wei Lin, Shih-Hung Chen, and Hsu-Hsin Chu "Dynamics of monoenergetic asymmetric injection of laser wakefield accelerator", Proc. SPIE 12579, Laser Acceleration of Electrons, Protons, and Ions VII, 1257906 (8 June 2023); https://doi.org/10.1117/12.2665267

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