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TY - CONF AU - Weikum, M.K. AU - Aßmann, R.W. AU - Dorda, U. AU - Ferran Pousa, A. AU - Heinemann, T. AU - Li, F.Y. AU - Marchetti, B. AU - Sheng, Z.M. AU - Svystun, E.N. AU - Walker, P.A. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Improved Electron Beam Quality from External Injection in Laser-Driven Plasma Acceleration at SINBAD J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - External injection into laser wakefield accelerators is one of the possible routes towards high energy, high quality electron beams through plasma acceleration. Among other reasons this is due to the increased control over the electron beam parameters and overall experimental setup when compared to other plasma schemes, such as controlled self-injection. At the future SINBAD (Short INnovative Bunches and Accelerators at DESY) facility at DESY this technique is planned to be tested experimentally through injection and acceleration of a sub-femtosecond electron beam, produced from a conventional RF-injector, with a charge of around 0.7 pC and initial mean energy of 100 MeV at the plasma entrance. A summary of optimisation steps for the potential experimental setup is presented in this paper, including considerations regarding effects of electron beam self-fields and matching of the beam into the plasma stage. The discussion is complemented by first start-to-end simulations of the plasma accelerator setup based on these findings. PB - JACoW CP - Geneva, Switzerland SP - 1707 EP - 1710 KW - plasma KW - laser KW - electron KW - emittance KW - acceleration DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-TUPIK013 UR - http://jacow.org/ipac2017/papers/tupik013.pdf ER -