Adapting TESLA technology for future cw light sources using HoBiCaT

Kugeler, O.; Neumann, A.; Anders, W.; Knobloch, J.
July 2010
Review of Scientific Instruments;Jul2010, Vol. 81 Issue 7, p074701
Academic Journal
The HoBiCaT facility has been set up and operated at the Helmholtz-Zentrum-Berlin and BESSY since 2005. Its purpose is testing superconducting cavities in cw mode of operation and it was successfully demonstrated that TESLA pulsed technology can be used for cw mode of operation with only minor changes. Issues that were addressed comprise of elevated dynamic thermal losses in the cavity walls, necessary modifications in the cryogenics and the cavity processing, the optimum choice of operational parameters such as cavity temperature or bandwidth, the characterization of higher order modes in the cavity, and the usability of existing tuners and couplers for cw.


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