摘要
将微波相位检测技术与“束流能量极大化”方法相结合,设计了直线加速器微波相位检测与稳相调控系统,并进行了微波精密鉴相调相的实验研究.结果表明,在CW频率为2856 MHz时,相位检测精度为2.0°,不仅能满足0.2 GeV直线加速器作为0.8 GeV电子储存环注入器的使用要求,而且可应用至其他多节加速段直线加速器微波系统.并从未来的直线加速器驱动的自由电子激光研究需求出发,成功地将微波相位检测精度提高到了优于0.3°的水平.
The microwave phase detector system and the stable phase control system of the linear accelerator were designed combining the technology of the microwave phase detector with the method of "beam energy maximum". The experimental investigations of the precise detector and adiusting phase were made. The results show that the phase stability in 2 856 MHz under CW mode is better than 2°, which not only satisfies the requirement of the 0.2 GeV linac being used as the injector for 0.8 GeV electron storage ring, but also may be applied for the other microwave system in multi-section linac. The phase resolution was successfully improved to better than 0. 3°, which will be applied to future research on FEL driven by linac,
基金
国家自然科学基金(10375061)
中国科学院创新工程二期项目资助
关键词
直线加速器
束流能量
微波相位
精密鉴相
微波信号测量
linear accelerator
electron energy
microwave signal measurement radio frequency phase
high accuracy phase detector