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Description
Abstract: X-ray free-electron lasers are the brightest sources of x-rays, with a peak brightness that surpasses synchrotron sources by ten orders of magnitude. Similarly to table-top lasers, XFELs exhibit a remarkable degree of flexibility, which allows accelerator physicists to tailor the pulse properties to specific experimental needs.
Research and development on XFELs has had a remarkable impact on the user programs of LCLS and other facilities, leading to new experimental capabilities, advanced diagnostics, and improved beam brightness.
In my talk I will discuss recent results and future directions in XFEL research at the Linac Coherent Light Source: I will start by presenting the development of attosecond x-ray pulses and attosecond pump/probe capabilities at LCLS-II, I will then present the recent demonstration of hard x-ray attosecond pulses, and discuss ongoing and future research on cavity-based XFELs and waveform-controlled few-cycle pulses.