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Proceedings Particle Accelerator Conference
The performance of high gradient superconducting RF cavities for electron accelerators is mainly limited by field emission. Major improvements have been recently obtained using different surface conditioning techniques confirming the involvement of metallic particles in field emission enhancement. In this paper we present the results obtained with an optical apparatus attached to an RF copper cavity equipped with a removable sample which is subjected to high RF fields (E pk > 40 MV/m). Stabledoi:10.1109/pac.1995.505310 fatcat:eztdurm3e5f3tg3upojnzkfp44