Speaker
Description
A shared ambition in the R&D of future light sources is designing and constructing an ideal free-electron laser (FEL). Such a machine will produce tunable, multicolor, near transform-limited pulses, with a controlled delay, and fully coherent beams with precisely adjustable phase profiles enabling state-of-the-art measurements and studies of femtosecond dynamic processes with high elemental sensitivity and contrast. For this purpose, a research program towards a fully coherent light source based on generation of higher harmonics at the future superconducting high repetition seeded FEL, FLASH, is ongoing. One of the integral elements of this program is the virtual investigation of characteristics and inherent challenges of external seeding techniques through realistic start-to-end simulations. Some of the highlights of this work will be discussed.
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