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Dry-Ice Cleaning of RF-Structures at DESY |
cavity, gun, niobium, coupling |
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- A. Brinkmann, J. Ziegler
DESY, Hamburg, Germany
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Dry-Ice cleaning is today a well established cleaning method in matters of reducing harmful dark current and field emission in copper RF-structures like RF-Guns such as for the European XFEL, FLASH and REGAE. This led to the idea to clean longer RF-structures, in particular 3GHz transverse deflecting structures for the European XFEL. We developed a cleaning device with the possibility to clean up to 2 m long structures in horizontal position with an inner diameter of not more than 40 mm. Furthermore this device also allows to clean 9-cell TESLA-type Nb-cavities as well. A report of the technical layout and results of RF-tests will be given.
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Slides MOOP05 [0.969 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-LINAC2016-MOOP05
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