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Modelling techniques for insertion device power management, photon transport and coherence propagation for ESRF beamlines

Abstract

Some synchrotron facilities worldwide (many are in transition to) have a 4th generation storage ring, which is the case of the Extremely Brilliant Source (EBS) at the European Synchrotron (ESRF). Its lower emittance has substantially improved brilliance and coherence of its X-ray sources. In addition, many ESRF beamlines are implementing long undulators (> 2 m) with short magnetic periods (< 20 mm) of in- vacuum cryogenic permanent magnets (CPUM), which are foreseen to operate with small gaps (~5 mm). The combination of the above can result in quite high incoming power over some beamline components, therefore it is important to assess the impact of such heat-loads on the photon beam properties, e.g., size, flux and coherence. In this work, we present some recent developed simulation tools and typical workflows to face the different challenges present in the modelling and design of the EBS beamlines. Manly carried out by the modelling team of the mechanical engineering group from the instrumentation services and development division at the ESRF

Date
Location
Yokohama, Japan
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