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TY - CONF AU - Kwiatkowski, R. AU - Krakówiak, M. AU - Mianowski, S. AU - Nietubyc, R. AU - Szewiński, J. AU - Wawrzyniak, A.I. ED - Kim, Changbum ED - Schaa, Volker R. W. ED - Kim, Dong-Eon ED - Lee, Jaeyu TI - Design and Numerical Investigations of Scintillation Beam Loss Monitor for PolFEL J2 - Proc. of IBIC2021, Pohang, Rep. of Korea, 24-28 May 2021 CY - Pohang, Rep. of Korea T2 - International Beam Instrumentation Conference T3 - 10 LA - english AB - The Beam Loss Monitor (BLM) system is used mainly for machine protection and is particularly important in the case of high energy density of accelerated beam, when such a beam could lead to serious damages in the case of uncontrolled loss. The Polish Free Electron Laser, PolFEL, will be equipped with linear superconducting accelerator operating in continuous wave regime. The maximum energies of electrons will be equal to about 180 MeV, or 270 MeV for 2nd phase of operation. The beam charge, pulse width and repetition rate will be in the range of 100-250 pC, 0.1-10 ps and 50 kHz respectfully. Operational parameters of PolFEL linear accelerator induced needs to install and operate the BLM system. One of the type of BLMs is based on the scintillation detectors. Such a system is characterized by, e.g.: high sensitivity, fast response, broad gain range and relatively low cost. Another important feature of such setup is the option of checking the operation of detector by using the integrated LED. The BLM concept for PolFEL is based on several scintillation probes placed along the linear accelerator. The paper reports on numerical investigation of electron and X-ray radiation induced during fast electron losses. We also present design of BLM detectors and results of first tests of a prototype on the linear electron accelerator at Solaris research centre. PB - JACoW Publishing CP - Geneva, Switzerland SP - 281 EP - 284 KW - detector KW - FEL KW - electron KW - operation KW - vacuum DA - 2021/10 PY - 2021 SN - 2673-5350 SN - 978-3-95450-230-1 DO - doi:10.18429/JACoW-IBIC2021-TUPP31 UR - https://jacow.org/ibic2021/papers/tupp31.pdf ER -