The BERLinPro SRF Photoinjector System - From First RF Commissioning to First Beam

Neumann, Axel; Böhlick, Daniel; Bürger, Markus; Echevarria, Pablo; Frahm, Andre; Glock, Hans-Walter; Göbel, Frank; Heling, Svenja; Janke, Karsten; Jankowiak, Andreas; Kamps, Thorsten; Klauke, Sascha; Klemz, Guido; Knobloch, Jens; Kourkafas, Georgios; Kühn, Julius; Kugeler, Oliver; Leuschner, Nicole; Ohm, Nina; Panofski, Eva; Plötz, Henry; Rotterdam, Stefan; Schmeißer, Martin; Schuster, Michael; Stein, Hannes; Tamashevich, Yegor; Ullrich, Jan; Ushakov, Andriy; Völker, Jens

doi:10.18429/JACoW-IPAC2018-TUPML053

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RIS citation export for TUPML053: The BERLinPro SRF Photoinjector System - From First RF Commissioning to First Beam

TY - CONF
AU - Neumann, A.
AU - Böhlick, D.
AU - Bürger, M.
AU - Echevarria, P.
AU - Frahm, A.
AU - Glock, H.-W.
AU - Göbel, F.
AU - Heling, S.
AU - Janke, K.
AU - Jankowiak, A.
AU - Kamps, T.
AU - Klauke, S.
AU - Klemz, G.
AU - Knobloch, J.
AU - Kourkafas, G.
AU - Kugeler, O.
AU - Kühn, J.
AU - Leuschner, N.
AU - Ohm, N.
AU - Panofski, E.
AU - Plötz, H.
AU - Rotterdam, S.
AU - Schmeißer, M.A.H.
AU - Schuster, M.
AU - Stein, H.
AU - Tamashevich, Y.
AU - Ullrich, J.
AU - Ushakov, A.
AU - Völker, J.
ED - Koscielniak, Shane
ED - Satogata, Todd
ED - Schaa, Volker RW
ED - Thomson, Jana
TI - The BERLinPro SRF Photoinjector System - From First RF Commissioning to First Beam
J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018
C1 - Vancouver, BC, Canada
T2 - International Particle Accelerator Conference
T3 - 9
LA - english
AB - Helmholtz-Zentrum Berlin (HZB) is currently constructing a high average current superconducting (SC) ERL as a prototype to demonstrate low normalized beam emittance of 1 mm-mrad at 100 mA and short pulses of about 2 ps. To attain the required beam properties, an SRF based photo-injector system was developed and during the past year underwent RF commissioning and was setup within a dedicated diagnostics beamline called Gunlab to analyze beam dynamics of both, a copper cathode and a Cs2KSb cathode as well as their quantum efficiency at UV and green light respectively. The medium power prototype - a first stage towards the final high power 100 mA design - presented here features a 1.4 x λ/2 cell SRF cavity with a normal-conducting, high quantum efficiency CsK2Sb cathode, implementing a modified HZDR-style cathode insert. This injector potentially allows for 6 mA beam current and up to 3.5 MeV kinetic energy, limited by the modified twin TTF-III fundamental power couplers. In this contribution, the first RF commissioning results of the photo-injector module will be presented including dark current analysis as well as measured beam properties with an initially installed Copper cathode.
PB - JACoW Publishing
CP - Geneva, Switzerland
SP - 1660
EP - 1663
KW - cathode
KW - cavity
KW - SRF
KW - operation
KW - solenoid
DA - 2018/06
PY - 2018
SN - 978-3-95450-184-7
DO - 10.18429/JACoW-IPAC2018-TUPML053
UR - http://jacow.org/ipac2018/papers/tupml053.pdf
ER -