Generation of THz Modulated Electron Bunches Using Transversally Polarized Waves to Drive a Dielectric Dual-Grating

Generation of THz Modulated Electron Bunches Using Transversally Polarized Waves to Drive a Dielectric Dual-Grating
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使用横向偏振波驱动电介质双光栅生成太赫兹调制电子束

DOI:
10.3390/particles1010019
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发表时间:
2018-11
期刊:
Particle
影响因子:
--
通讯作者:
Yalin Lu
Yalin Lu
中科院分区:
其他
文献类型:
--
作者:
Linbo Liang;Weihao Liu;Qika Jia;Yalin Lu

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提出并设计了一种双介质光栅结构,用于产生重复频率为THz的电子束团。在这里,我们应用横向偏振的亚太赫兹波横向照射的介质双光栅,在其中正弦变化的偏转场被诱导和施加在通过该结构的电子束团上。束团内电子的速度在横向方向上被调制,这然后导致产生一系列微束团。这些微聚束的光谱在太赫兹区域具有一系列深刻的高次谐波。本文讨论了电子束聚束特性的模拟结果。
We propose and design a dual dielectric grating structure for generating electron bunches with THz repetition frequency. Here we apply transversally polarized sub-terahertz waves to transversally illuminate a dielectric dual-grating, within which the sinusoidally varied deflection fields are induced and exerted on the electron bunches passing through the structure. The velocities of electrons within the bunches are modulated in the transversal direction, which then leads to the generation of a train of micro-bunches. The spectra of these micro-bunches have a series of profound high harmonics in the terahertz region. The simulation result of the electron beam’s bunching behavior is discussed in this paper.
DOI: 10.1049/ep.1978.0296
发表时间: 1993
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