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TY - CONF AU - Jöhri, H. AU - Calvi, M. AU - Hindermann, M. AU - Huber, L. AU - Keller, A. AU - Locher, M. AU - Schmidt, T. AU - Wang, X. ED - Schaa, Volker RW ED - Tavakoli, Keihan ED - Tilmont, Manuel TI - Development of the new UE38 Undulator for the Athos Beamline in SwissFEL J2 - Proc. of MEDSI2018, Paris, France, 25-29 June 2018 C1 - Paris, France T2 - Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation T3 - 10 LA - english AB - For the next beamline, we will profit from the experience of the U15 undulator development, but there are new requirements, because it will be a polarized undulator with a period of 38mm. We are developing a new arrangement of the drives, a further development of the magnet keepers and a vacuumpipe with only 0.2mm of wall thickness. A rough overview was given at Medsi 2016, together with the talk of the U15 Undulator. Meentime, the UE38 is in production and the talk will present the actual status and the lessons we learned during development and the fabrication: - Realization of vacuumchamber with 0.2mm wall thickness - Supportstructure for the vacuumchamber - Precision of manufacturing - Precision of assembling - Design of Magnetkeeper: Differential screw, forces, stiffness PB - JACoW Publishing CP - Geneva, Switzerland SP - 1 EP - 5 KW - undulator KW - vacuum KW - FEL KW - laser KW - GUI DA - 2018/12 PY - 2018 SN - 978-3-95450-207-3 DO - 10.18429/JACoW-MEDSI2018-TUOPMA03 UR - http://jacow.org/medsi2018/papers/tuopma03.pdf ER -