X-ray free-electron lasers (XFELs) are unique tools that are making possible time-resolved measurements of structural and electronic dynamics at the quantum spatial and temporal scales. Jonathan Marangos discusses the transformative scientific potential of this capability but also stresses the importance...
1.XFEL是被称为“第四代同步辐射光源”的x射线自由电子激光（X-ray free electron laser, XFEL）.2....
The advancement of imaging techniques to address these elusive samples has been a big motivation for constructing new X-ray light sources. Fourth-generation light sources, commonly called X-ray free-electron lasers (XFELs) [1], represent a huge step forward, with upwards of nine orders of ...
2023年3月10日(星期五),下午3:00开始 报告地点 研究生院软件园北校区3层B304报告厅 摘要 X-ray free-electron lasers (XFEL), with their ultrahigh brightness and ultrashort pulse duration, have enabled powerful imaging and spectroscopic ...
X-ray free-electron lasers (XFELs) are revolutionizing our ability to measure and understand the behaviour of complex materials. A new generation of XFELs is imminent, offering new approaches to materials characterization. This is a preview of subscription content, access via your institution ...
The rapid development of X-ray free-electron lasers (XFELs) has created a new foundation for ultrafast dynamics research by offering fully coherent ultrabright femtosecond X-ray pulses. The cutting-edge technology developed around the XFELs has enabled revolutionary breakthroughs in multiple disciplines...
About a decade ago, linear-accelerator based X-ray free-electron lasers (XFELs) emerged to offer novel research potential in a variety of scientific fields [3]. These X-ray sources generate ultra-short, highly intense, coherent X-ray pulses, delivering in femtoseconds the same number of phot...
用来观测光激发的“电子照相机”,是位于SLAC国家加速器实验室的X射线自由电子激光器(X-ray free-electron lasers,XFELs)。我们知道,自由电子在做加速度运动时,会产生电磁波;而同步辐射光源,电子在环形同步加速器中运动,类似于在雨中转动雨伞,水珠会沿着伞的边缘飞出。与我们雨中转伞不同的是,电子的速度接近光速。
Ultrabrilliant, femtosecond X-ray pulses from X-ray free-electron lasers (XFELs) have promoted the investigation of exotic interactions between intense X-rays and matters, and the observation of minute targets with high spatio-temporal resolution. Although a single X-ray beam has been utilized ...
In the regime of extremely short wavelengths, X-ray free-electron lasers (XFELs) with exceptional peak brilliance have unveiled crucial details about the structures, dynamics and physics of various materials. Although X-ray focusing optics to enhance the intensity have progressed, achieving a single...