【摘要】 基于超导直线加速器的X射线自由电子激光(XFEL)是自由电子激光领域未来发展的一个重要方向。介绍了国际上Euro-XFEL及LCLS-II等超导XFEL装置的设计建造现状。在此基础上提出基于一台7GeV超导直线加速器的超导XFEL初步方案,给出主要设计参数,并讨论实现100~1000GW量级峰值输出功率的技术路线,包括提高峰值流强、采用波荡器磁场渐变技术等。更多还原

【Abstract】 The superconducting(SC)linac driven free-electron laser(FEL)is an important development direction in the near future.The present statuses of the worldwide SC linac-driven hard X-ray FEL(SC-HXFEL)facilities,including Euro-XFEL and LCLS-II,are overviewed.A candidate scheme of a constructing SC-HXFEL in China based on a 7GeV SC linac is proposed.The main parameters of the SC-HXFEL are given and the technical routes to achieve FEL power of up to 1000 GW by increasing peak current and adopting tapering technology are discussed.更多还原