Report on Gun Conditioning Activities at PITZ in 2013

Otevřel, Marek; Asova, Galina; Boonpornprasert, Prach; Brinker, Frank; Flöttmann, Klaus; Good, James; Groß, Matthias; Isaev, Igor; Ivanisenko, Yevgeniy; Kalantaryan, Davit; Khojoyan, Martin; Kourkafas, Georgios; Krasilnikov, Mikhail; Lederer, Sven; Malyutin, Dmitriy; Marchetti, Barbara; Melkumyan, David; Nozdrin, Mikhail; Pathak, Gaurav; Richter, Dieter; Rimjaem, Sakhorn; Rublack, Tino; Schreiber, Siegfried; Stephan, Frank; Vashchenko, Grygorii

doi:10.18429/JACoW-IPAC2014-THPRO044

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RIS citation export for THPRO044: Report on Gun Conditioning Activities at PITZ in 2013

TY - CONF
AU - Otevřel, M.
AU - Asova, G.
AU - Boonpornprasert, P.
AU - Brinker, F.
AU - Flöttmann, K.
AU - Good, J.D.
AU - Groß, M.
AU - Isaev, I.I.
AU - Ivanisenko, Ye.
AU - Kalantaryan, D.K.
AU - Khojoyan, M.
AU - Kourkafas, G.
AU - Krasilnikov, M.
AU - Lederer, S.
AU - Malyutin, D.
AU - Marchetti, B.
AU - Melkumyan, D.
AU - Nozdrin, M.A.
AU - Pathak, G.
AU - Richter, D.
AU - Rimjaem, S.
AU - Rublack, T.
AU - Schreiber, S.
AU - Stephan, F.
AU - Vashchenko, G.
ED - Petit-Jean-Genaz, Christine
ED - Arduini, Gianluigi
ED - Michel, Peter
ED - Schaa, Volker RW
TI - Report on Gun Conditioning Activities at PITZ in 2013
J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014
C1 - Dresden, Germany
T2 - International Particle Accelerator Conference
T3 - 5
LA - english
AB - Recently three RF guns were prepared at the Photo Injector Test Facility at DESY, location Zeuthen (PITZ) for their subsequent operation at FLASH and the European XFEL. The gun 3.1 is a previous cavity design and is currently installed and operated at FLASH, the other two guns 4.3 and 4.4 were of the current cavity design and are dedicated to serve for the start-up of the European XFEL photo-injector. All three cavities had been dry-ice-cleaned prior their conditioning and hence showed low dark current levels. The lowest dark current level – as low as 60μA at 65MV/m field amplitude – has been observed for the gun 3.1. This paper reports in details about the conditioning process of the most recent gun 4.4. It informs about experience gained at PITZ during establishing of the RF conditioning procedure and provides a comparison with the other gun cavities in terms of the dark currents. It also summarizes the major setup upgrades, which have affected the conditioning processes of the cavities.
PB - JACoW
CP - Geneva, Switzerland
SP - 2962
EP - 2964
KW - gun
KW - cathode
KW - cavity
KW - vacuum
KW - FEL
DA - 2014/07
PY - 2014
SN - 978-3-95450-132-8
DO - 10.18429/JACoW-IPAC2014-THPRO044
UR - http://jacow.org/ipac2014/papers/thpro044.pdf
ER -