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LASER-DRIVEN HIGH REPETITION RATE SOURCE OF ULTRASHORT RELATIVISTIC ELECTRON BUNCHES
LASER-DRIVEN HIGH REPETITION RATE SOURCE OF ULTRASHORT RELATIVISTIC ELECTRON BUNCHES
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机译：激光驱动的超短波相对论电子束的高重复率源
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摘要
A laser-plasma-based acceleration system includes a focusing element and a laser pulse emission directing a laser beam to the focusing element to such that laser pulses transform into a focused beam and a chamber defining a nozzle having a throat and an exit orifice, emitting a critical density range gas jet from the exit orifice for laser wavelengths ranging from ultraviolet to the mid-infrared. the critical density range gas jet intersects the focused beam at an angle and in proximity to the exit orifice of the nozzle to define a point of intersection between the focused beam and the critical density range gas jet. In intersection with the critical density range gas jet, the pulsed focused beam drives a laser plasma wakefield relativistic electron beam. A corresponding method of laser-plasma-based acceleration is also described. The critical density range may include 2×1020 cm−3 to 5×1021 cm−3.
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机译：一种基于激光等离子体的加速系统，包括聚焦元件和激光脉冲发射，该激光脉冲发射将激光束导向聚焦元件，从而使激光脉冲转换成聚焦光束;腔室限定了具有喉咙和出口孔的喷嘴，该喷嘴发出从出口孔喷射的临界密度范围的气体，其激光波长范围从紫外线到中红外。临界密度范围气体射流以一定角度并与喷嘴的出口孔相交而与聚焦束相交，以限定聚焦束和临界密度范围气体射束之间的交点。与临界密度范围的气体射流相交，脉冲聚焦束驱动激光等离子体尾场相对论电子束。还描述了基于激光等离子体的加速的相应方法。临界密度范围可以包括2×10 20 cm -3 到5×10 21 cm -3 。
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