Neumann, A.; Anders, W.; Kamps, T.; Knobloch, J.; Zaplatin, E.: Photoinjector SRF Cavity Development for BERLinPro. In: LINAC 2012, XXVI Linear Accelerator Conference, Tel Aviv, Israel, September 9-14, 2012Tel Aviv, 2012. - ISBN 978-3-95450-122-9, p. 837-839
Open Access Version
Abstract:
In 2010 HZB has received approval to build BERLinPro , an ERL project to demonstrate energy recovery at 100 mA beam current by pertaining a high quality beam. These goals place stringent requirements on the SRF cavity for the photoinjector which has to deliver a small emittance 100 mA beam with at least 1.8 MeV kinetic energy while lim- ited by fundamental power coupler performance to about 230 kW forward power. In oder to achieve these goals the injector cavity is being developed in a three stage ap- proach. The current design studies focus on implementing a normal conducting cathode insert into a newly developed superconducting photoinjector cavity. In this paper the fun- damental RF design calculations concerning cell shape for optimized beam dynamics as well as SRF performance will be presented. Further studies concentrate on HOM proper- ties, the field-flatness and tuning mechanism for that de- sign.