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TY - CONF AU - Kunert, C.S.G. AU - Bundesmann, J. AU - Damerow, T. AU - Denker, A. AU - Weber, A. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - A Multi-leaf Faraday Cup Especially for the Therapy of Ocular Tumors with Protons J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - The Helmholtz-Zentrum Berlin (HZB) and the University Hospital Charité in Berlin provide a treatment of ocular tumors with a proton beam. The 68 MeV proton beam is delivered by the isochronous HZB-cyclotron as main accelerator. Very important in tumor irradiation treatments is the positioning of the radiation field. For the treatment of eye tumors it is even more important, due to the small and sensitive structures in the eye. Therefore, because of the well-defined Bragg peak, a proton beam is a good choice to achieve very constrained fields of dose delivery. Especially the knowledge of the proton beam energy and the proton beam range with a high accuracy is crucial, due to the small critical structures in the eye. A possible solution for a quick and precise measurement of the range of such proton beams is a Multi-Leaf Faraday Cup (MLFC). This work has the task to develop such a MLFC adapted to the special requirements of the eye tumor therapy. An overview of the progress of this work regarding the MLFC principles and issues such as the first technical realization and results will be given. PB - JACoW CP - Geneva, Switzerland SP - 2149 EP - 2152 KW - proton KW - radiation KW - cyclotron KW - ion KW - extraction DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-WEPRO082 UR - http://jacow.org/ipac2014/papers/wepro082.pdf ER -