紧凑型太赫兹源注入器的全程模拟
Start-to-end simulation of the injector for a compact THz source
摘要：
太赫兹辐射由于能够深入到许多有机材料中而不引起电离辐射的损伤，具有广阔的应用前景。基于自由电子激光的太赫兹源是产生高功率辐射的最佳选择。介绍了一台用于产生高质量自由电子激光束流的14 MeV注入器，该注入器由EC-ITC射频枪、补偿线圈和行波结构组成。利用ASTRA软件对设计方案进行了仿真验证和参数优化。在6 MeV的操作模式的模拟也被执行。
英文摘要：
Terahertz radiation has broad application prospect due to its ability to penetrate deep into many organic materials without damage caused by ionizing radiations. A FEL-based THz source is the best choice to produce high-power radiation. In this paper, a 14 MeV injector is introduced for generating high-quality beam for FEL, which is composed of an EC-ITC RF gun, compensating coils and a travelling-wave structure. Start-to-end simulation has been done with ASTRA code to verify the design and to optimize parameters. Simulation of operating mode at 6 MeV is also executed.
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