高强度激光等离子体相互作用产生的气泡区电子束的控制

P. Zobdeh, R. Sadighi-Bonabi, H. Afarideh
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引用次数: 0

摘要

近年来利用C.PA技术开发了超短激光源,这一进展使激光与等离子体相互作用产生准单能电子。这种高质量的电子束是由不同的机制产生的。制备超短激光脉冲在低密度等离子体中传播时的空腔或泡区是一种新的有效方法。本文讨论了如何利用合适的抛物等离子体密度分布来控制腔态下输出的电子能量束,并讨论了束流的质量问题。结果表明,该结构可以控制准单能电子束的增益和能量。
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Control of electron beam in bubble regime produced by high intense laser plasma interaction
Ultrashort laser sources have been developed by the C.PA technique in the recent years .This progress causes to produce quasi-monoenergetic electron during the laser-plasma interaction. Such high quality electron beams are generated by different mechanisms. One of the new and effective methods is to prepare the cavity or bubble regime when an ultrashort laser pulse propagates in underdense plasma. In this work we discuss about how to control the output electron energy beam in the cavity regime with using a proper parabolic plasma density profile and discuss about quality of the mentioned beam. The result shows the mentioned profile can control gain and energy of the quasi-monoenergetic electron beam.
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