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9 June 2023 Fast absolute pulse energy measurements at SwissFEL
Pavle Juranić, Arturo Alarcon, Rasmus Ischebeck
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Proceedings Volume 12581, X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation VI; 1258108 (2023) https://doi.org/10.1117/12.2665165
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic
Abstract
Modern free electron laser (FEL) facilities often lack the ability to accurately measure the absolute flux of the x-ray pulses on a shot-to-shot basis. These measurements could be used by the machine operators for optimization, and by the users of the photon beam to better understand their data. This contribution presents methodology that combines existing, slow measurements methods currently used in gas detectors across the world and fast, uncalibrated signals from multipliers, meant for relative flux pulse-to-pulse measurements, that creates a shot-to-shot absolute flux measurement though the use of sensor-based conditional triggers and algorithms at SwissFEL
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Pavle Juranić, Arturo Alarcon, and Rasmus Ischebeck "Fast absolute pulse energy measurements at SwissFEL", Proc. SPIE 12581, X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation VI, 1258108 (9 June 2023); https://doi.org/10.1117/12.2665165
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KEYWORDS
Free electron lasers
Sensors
Detection and tracking algorithms
Signal detection
X-rays
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