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Mechanical Design of Cryogenic Vacuum Feedthroughs for X-FEL Button BPMs |
cryogenics, simulation, vacuum, operation |
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- S. Vilcins, D. Lipka
DESY, Hamburg, Germany
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The European XFEL is a 4th generation synchrotron radiation source, currently under construction in Hamburg. Based on different Free-Electron Laser and spontaneous sources and driven by a superconducting accelerator, it will be able to provide several user stations with photons simultaneously. Due to the superconducting technology in the accelerators modules many components have to operate at liquid helium temperature. This poster will concentrate on high frequency ultra high vacuum feedthrough used for the beam position monitors of the cryogenic accelerator modules. Main emphasis will be put on the design of these feedthroughs, their material composition and the production process. The capability to be used under these very special conditions was investigated with FEM simulations, as well as with a test procedure. The results of these simulations will be presented; the tests and their results will be explained in detail.
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Poster TUPF11 [0.407 MB]
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