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TY - CONF AU - Ottmar, A.V. AU - Gubin, V. AU - Maltseva, Yu.I. AU - Rybitskaya, T.V. ED - Schaa, Volker RW TI - Electron Spectrometer for a Low Charge Intermediate Energy LWFA Electron Beam Measurement J2 - Proc. of IBIC2018, Shanghai, China, 09-13 September 2018 CY - Shanghai, China T2 - International Beam Instrumentation Conference T3 - 7 LA - english AB - The Laser-driven Compton light source is under development in ILP SB RAS in collaboration with BINP SB RAS. Electron spectrometer for measurement of LWFA electron beam with energy in the range 10-150 MeV and bunch charge 1-10 pC is presented. Spectrometer based on permanent magnet and luminous screen with CCD registrar and this geometry was optimized for best measurements resolution in compromise with size limitations. Preliminary collimation of electron beam allows achieving energy resolution up to 5-10 % of top limit. System has been tested at the VEPP-5 linear electron accelerator and obtained results correspond to design objectives. Sensitivity of beam transverse charge density was experimentally fixed at 0.03 pC/mm², it is practically sufficient for our LWFA experiments. PB - JACoW Publishing CP - Geneva, Switzerland SP - 57 EP - 60 KW - electron KW - dipole KW - experiment KW - laser KW - vacuum DA - 2019/01 PY - 2019 SN - 978-3-95450-201-1 DO - DOI: 10.18429/JACoW-IBIC2018-MOPA14 UR - http://jacow.org/ibic2018/papers/mopa14.pdf ER -