Summary of the Working Group 3: Electron beams from electromagnetic structures, including dielectric and laser-driven

摘要

In this working group advances in electromagnetic accelerating structures have been addressed, as they progress from radio-frequency towards new frontiers at short wavelengths and higher field, in excess of a GV/m. The discussion focused on schemes powered by advanced RF sources, as well as new sources of EM power such as Cerenkov wakefields, and intense lasers at wavelengths ranging from the visible to the mid-IR. Advanced and exotic structures using novel materials and photonic designs have been also examined. In this context one needed to place special emphasis on extreme high brightness electron beam sources that are demanded in optical-to-mm-scale accelerators, and on beam dynamics issues specific to the optical scale, and to use of ultra-hieh amplitude fields.