Abstract
The output properties of electrons accelerated by the vacuum laser acceleration scheme CAS (capture and acceleration scenario) are addressed. The transport process of the electron bunch, the fraction of the CAS electrons of the incident electrons, the correlation of electron energy with position and scattering angle, the energy spectrum and angular distributions as well as the emittance of the outgoing electrons are studied at a laser intensity of a0=10. In addition, the effects of the laser intensity, beam width, and pulse duration on the properties of the output electrons are also examined. Physical explanations of those output characteristics are presented based on the mechanism behind the CAS scheme. The feasibility of CAS to become a realistic laser accelerator scheme is explored.
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41.75.Jv; 42.60.Jf; 41.85.Ja
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Cao, N., Ho, Y., Xie, Y. et al. Interaction of an electron bunch with a laser pulse in vacuum. Appl. Phys. B 78, 781–790 (2004). https://doi.org/10.1007/s00340-004-1488-4
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DOI: https://doi.org/10.1007/s00340-004-1488-4