Abstract
Due to the significantly increased peak electric field of available terahertz (THz) pulses, various THz-driven particle accelerators and manipulators have been demonstrated in the last decade, such as THz pulse driven waveguide structure [1], inverse free-electron laser [2] and electron accelerator and manipulator [3]. Recently we have proposed a table-top electron accelerator setup powered by THz pulses, in which the electron source was a krypton gas jet [4]. In our numerical model we have simulated the whole physical process and considered the ionization procedure combining with the THz induced electron acceleration. The model shows a significant influence of the ionization on acceleration mechanisms.
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