Speaker
Description
Helmholtz-Zentrum Berlin (HZB) is currently designing and building a high average current all superconducting CW driven 50 MeV ERL as a prototype to demonstrate low normalized beam emittance of 1 mm·mrad at 100mA and short pulses of about 2 ps. In this contribution an update about the progress of the ERL's contruction is given, the different types of SRF cavities forming this accelerator are presented and the foreseen HOM damping concept is being reviewed. The design and production process of the two structures forming the injector, being a 1.4 cell SRF photoinjector cavity and three 2 cell Booster cavities will be shown, as well as latest horizontal acceptance tests at HZB and insights to the assem bly of the coldmass and cryo-module. For the Linac cavity the latest cavity and module design studies are being shown.