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2017年6月21－22日，第二届中德X射线自由电子激光（XFEL）科学与技术研讨会（The 2nd China-Germany workshop on X-ray Free electron Laser Science and Technology）在德国汉堡召开，科技部派相关人员出席会议。
北京大学物理学院重离子物理研究所射频超导与自由电子激光课题组黄森林副教授与美国SLAC国家加速器实验室合作，在国际上首次产生了200阿秒的高亮度X射线脉冲（此前XFEL的最短脉冲长度为几个飞秒）。这一工作近日作为亮点文章发表在《物理评论快报》上【 S. Huang et al.，Physical Review Letters 119，154801（2017）】，同时被Physics的编辑选为特别关...
Compendium of eigenmodes in third harmonic cavities for FLASH and the XFEL
Compendium of eigenmodes third harmonic cavities FLASH the XFEL
2012/4/19
The resonant modes in the 9cell 3.9GHz bunch shaping cavity designed by FERMILAB in collaboration with DESY [1] and installed in FLASH at DESY were calculated up to the range of 10GHz in terms of the ...
Self-seeding scheme for the soft X-ray line at the European XFEL
Self-seeding scheme soft X-ray line the European XFEL
2012/2/28
This paper discusses the potential for enhancing the capabilities of the European FEL in the soft X-ray regime. A high longitudinal coherence will be the key to such performance upgrade. In order to r...
Circular polarization control for the European XFEL in the soft X-ray regime
XFEL Circular polarization European
2011/8/31
The possibility of producing X-ray radiation with high degree of circular polarization is an important asset at XFEL facilities. Polarization control is most important in the soft X-ray region.However...
Towards one machine, two purposes: using a common SC linac for XFEL and ERL simultaneously
electron linac XFEL ERL
2009/12/24
The linac based XFEL and ERL are advanced (or, say, 4th generation) light sources, with different electron beam parameters and different advantages. However, the linac used for XFEL and ERL should pro...