D.M. Just, C. Pradervand
PSI, Villigen PSI, Switzerland
The Swiss Light Source (SLS) at the Paul Scherrer Institut (PSI) in Switzerland will undergo from 2021 to 2024 an upgrade named SLS 2.0 to increase brightness and coherence. This upgrade will have a significant impact on the existing front-ends. Due to the proven reliability and good concept, we plan a refurbishment strategy for all front-end (FE) components where possible. New source points for all beam-lines – resulting in shifts both lateral and tangential, newly developed insertion devices and bending magnets as well as spatial restrictions due to the multi bend achromat (MBA) design challenges this strategy. We demonstrate how we plan to deal with these challenges for the case of high heat load FEs. We will address how the acceptance of the FE was chosen due flux and power calculations of the insertion device and the design and thermal analysis of a novel primary aperture. The adaptions that will be made to the tungsten blade X-Ray beam positioning monitors (W-XBPM) and modifications on the photon shutter will be discussed. Furthermore, we will take a brief excursion on how we want to organize the refurbishment during the shutdown period of the upgrade.
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