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Abstract
High intensity relativistic electron beams are among the most versatile and powerful probes of the natural world. Here at SLAC, the FACET-II National User Facility currently delivers the world’s most powerful electron beams. In this talk I will explore how the extreme beams generated at FACET-II enable scientific advances in three areas: advanced accelerator development, strong field atomic physics, and waveform-controlled high power attosecond X-ray FELs. I will begin by highlighting recent experimental work conducted at FACET-II which generated the first 100 kA peak current, petawatt peak power electron bunches in a particle accelerator. I will also outline an ongoing experimental campaign dedicated to increasing the peak current further from this result by an order of magnitude using plasma-based electron beam compression. Finally, I will present a concept for using the combined FACET-II and LCLS copper linacs as a driver for a high energy X-ray FEL capable of generating high energy X-rays up to 50 keV.
Bio
Dr. Claudio Emma is a Staff Scientist working in the advanced accelerator research department at SLAC National Accelerator Laboratory. He received his bachelor’s degree in physics from King’s College London, his master’s from Imperial College London and his PhD from UCLA with a focus on accelerator physics and high efficiency X-ray free electron lasers. He was awarded the Bruno Touschek Young Investigator Award for research in elementary particle physics and particle accelerators in 2022 and the U.S. Department of Energy Early Career Research Program award in 2023 for research in generating and diagnosing extreme electron beams for advanced accelerator applications. His current research focuses on the generation of ultra-bright electron and photon beams for a broad set of applications which he will tell us about in his talk.