Scissor-cross ionization injection in laser wakefield accelerators
Jia Wang,
Ming Zeng,
Xiaoning Wang
et al.
Abstract:We propose to use a frequency doubled pulse colliding with the driving pulse at an acute angle to trigger ionization injection in a laser wakefield accelerator. This scheme effectively reduces the duration that injection occurs, thus high injection quality is obtained. Three-dimensional particlein-cell simulations show that electron beams with energy of ∼ 500 MeV, charge of ∼ 40 pC, energy spread of ∼ 1% and normalized emittance of a few millimeter milliradian can be produced by ∼ 100 TW laser pulses. By adjus… Show more
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