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The Coming of Age of the Ultracold Electron Source: A Review
Julius Huijts, Jom Luiten
https://arxiv.org/abs/2510.09889 https://arxiv.org/pdf/2510.09889

The Coming of Age of the Ultracold Electron Source: A Review
The ultracold electron source is a unique approach to the generation of high-brightness electron beams. We give an overview of its development over the past 20 years, including the underlying physical principles, technical details and recent experiments, and give a flavor of the exciting prospects that the future may hold.