漂移空间中均匀分离电子脉冲序列的最大电荷注入

Physical Review Special Topics-accelerators and Beams Pub Date : 2015-12-21 DOI:10.1103/PHYSREVSTAB.18.123402

Y. Liu, Peng Zhang, Shih-Hung Chen, L. Ang

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引用次数: 4

摘要

提出了一个电荷片模型来研究电子脉冲序列在漂移空间中的空间电荷效应和电荷分离的均匀性。导出了电荷密度极限与间隙间距、注入能量和脉冲间距的函数关系的解析公式。考虑到相对论效应，用80mev的数值解对理论结果进行了验证。该模型可应用于史密斯-珀塞尔辐射、时间分辨电子显微镜用多脉冲电子束的设计和自由电子激光器的设计。

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Maximal charge injection of a uniform separated electron pulse train in a drift space

A charge sheet model is proposed to study the space charge effect and uniformity of charge separation of an electron pulse train in a drift space. An analytical formula is derived for the charge density limit as a function of gap spacing, injecting energy and pulse separation. To consider the relativistic effects, the theoretical results are verified by numerical solutions up to 80 MeV. This model can be applied to the design of Smith-Purcell radiation, multiple-pulse electron beam for time resolved electron microscopy, and to free electron laser.

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来源期刊

Physical Review Special Topics-accelerators and Beams 物理-物理：核物理

自引率

0.00%

发文量

审稿时长

3-8 weeks

期刊介绍： Physical Review Special Topics - Accelerators and Beams (PRST-AB), is a peer reviewed, purely electronic journal, distributed without charge to readers and funded by contributions from national laboratories. It covers the full range of accelerator science and technology: subsystem and component technologies, beam dynamics; accelerator applications; and design, operation, and improvement of accelerators used in science and industry. This includes accelerators for high-energy and nuclear physics, synchrotron radiation production, spallation neutron sources, medical therapy, and intense beam applications.