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TY - CONF AU - Rublack, T. AU - Andrianov, A.V. AU - Gacheva, E. AU - Hartl, I. AU - Khazanov, E. AU - Khojoyan, M. AU - Krasilnikov, M. AU - Poteomkin, A. AU - Schreiber, S. AU - Stephan, F. AU - Syresin, E. AU - Zelenogorsky, V. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Development of a Quasi 3-D Ellipsoidal Photo Cathode Laser System for PITZ J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - 3-D ellipsoidal photo cathode laser pulses are considered as the next step in optimization of photo injectors required for a successful operation of linac based free electron lasers. Significant improvements in electron beam emittance obtained from the beam dynamics simulations using such laser pulses compared to the conventional cylindrical pulses motivated the experimental studies in order to develop a laser system for quasi 3-D ellipsoidal pulses. The Institute of Applied Physics (Nizhny Novgorod, Russia) in collaboration with the Joint Institute of Nuclear Research (Dubna, Russia) and the Photo Injector Test facility at DESY, Zeuthen site (PITZ) is developing such a photo cathode laser system. Experimental tests of the laser system with photoelectron beam production are planned at PITZ. The laser pulse shaping is realized using the spatial light modulator technique. The laser system is capable of pulse train generation. First cross-correlation measurements were done demonstrating in principle the ability to generate and measure quasi ellipsoidal laser pulses. In this contribution the overall set-up, working principle and the actual progress of the development will be reported. PB - JACoW CP - Geneva, Switzerland SP - 2069 EP - 2071 KW - laser KW - electron KW - emittance KW - simulation KW - cathode DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-WEPRO055 UR - http://jacow.org/ipac2014/papers/wepro055.pdf ER -