Single-Shot Electro-Optic Sampling on the Temporal Structure of Laser Wakefield Accelerated Electrons
Single-Shot Electro-Optic Sampling on the Temporal Structure of Laser Wakefield Accelerated Electrons
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DOI：
10.3390/cryst10080640
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发表时间：
2020-07
期刊：
影响因子：
2.7
通讯作者：
Kai Huang;H. Kotaki;M. Mori;Y. Hayashi;N. Nakanii;M. Kando
中科院分区：
文献类型：
--
作者：
Kai Huang;H. Kotaki;M. Mori;Y. Hayashi;N. Nakanii;M. Kando
高功率钛宝石激光器驱动的粒子加速由于其极高的加速梯度而引起了世界范围内的广泛关注。在电子加速方面，利用激光韦克菲尔德加速机制，产生了能量超过GeV的电子束。为了优化电子产生过程，实时电子参数监测器是必要的。时间分布是高能粒子束流的关键参数之一，它与泵浦探测应用中的时间分辨率密切相关。本文介绍了用于激光韦克菲尔德加速的电光采样方法。实时多束团结构进行了观察。对电光晶体中信号产生的物理过程进行了细致的计算。详细阐述了方法的讨论。
Particle acceleration driven by a high power Ti: sapphire laser has invoked great interest worldwide because of the ultrahigh acceleration gradient. For the aspect of electron acceleration, electron beams with energies over GeV have been generated using the laser wakefield acceleration mechanism. For the optimization of the electron generation process, real-time electron parameter monitors are necessary. One of the key parameters of a high energy particle beam is the temporal distribution, which is closely related with the timing resolution in a pump-probe application. Here, we introduced the electro-optic sampling method to laser wakefield acceleration. Real-time multibunch structures were observed. Careful calculations on the physical processes of signal generation in an electro-optic crystal were performed. Discussions of the methodology are elaborated in detail.