Third harmonic Systems
In FLASH and the XFEL third harmonic RF systems are used to linearize the RF field and optimize the bunch compression. Fermilab developed and build the superconducting module ACC39 for FLASH containing four 3.9 GHz cavities. DESY contributed the power RF system, other accessories and by the testing and the commissioning of the module.
ACC39 was the prototype for a similar module for the XFEL containing eight cavities and a quadrupole magnet. The XFEL third harmonic cavities and the module have been develloped by INFN Milan. Other parts required for the complete XFEL system were organized by DESY.
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Literature
- Higher Order Mode Spectra Study of 3.9 GHz Superconducting Radio Frequency Cavities for the European XFEL, L. Shi, N. Baboi, P. Pierini, E. Vogel, A. Sulimov, T. Wamsat, N. Joshi1, R. M. Jones, S. Reiche, Proc. of IPAC2019, Melbourne, Australia, 2019
- Limits for the Operation of the European XFEL 3.9 GHz System in CW Mode, P. Pierini, J. Branlard, D. Kostin, C. G. Maiano, W.-D. Moeller, D. Reschke, J. Sekutowicz, E. Vogel, A. Bosotti, R. Paparella, D. Sertore, Proc. of IPAC2017, Copenhagen, Denmark, 2017
- Commissioning and Operation Experience of the 3.9 GHz System in the EXFEL LINAC, C.G. Maiano, J. Branlard, M. Huening, M. Omet, E. Vogel, A. Bosotti, R. Paparella, D. Sertore, P. Pierini, Proc. of IPAC2017, Copenhagen, Denmark, 2017
- Fabrication and vertical test experience of the European X-ray Free Electron Laser 3.9 GHz superconducting cavities, P. Pierini, M. Bertucci, A. Bosotti, J. F. Chen, C. G. Maiano, P. Michelato, L. Monaco, M. Moretti, C. Pagani, R. Paparella, D. Sertore, E. Vogel, Physical Review Accelerators and Beams 20, 042006 (2017)
- Validation of the superconducting 3.9 GHz cavity package for the European X-ray Free Electron Laser, C. G. Maiano, J. Branlard, M. Hüning, K. Jensch, D. Kostin, A. Matheisen, W.-D. Möller, A. Sulimov, E. Vogel, A. Bosotti, J. F. Chen, M. Moretti, R. Paparella, P. Pierini, D. Sertore, Physical Review Accelerators and Beams 20, 042005 (2017)
- Horizontal RF Test of a Fully Equipped 3.9 GHz Cavity for the European XFEL in the DESY AMTF, C.G. Maiano, C. Albrecht, R. Bospflug, J. Branlard, Ł. Butkowski, T. Delfs, J. Eschke, A. Gössel, F. Hoffmann, M. Hüning, K. Jensch, R. Jonas, R. Klos, D. Kostin, W. Maschmann, A. Matheisen, U. Mavrič, W.-D. Möller, C. Müller, K. Mueller, B. Petersen, P. Pierini, J. Rothenburg, O. Sawlanski, M. Schmökel, A.A. Sulimov, E. Vogel, A. Bosotti, M. Moretti, R. Paparella, P. Pierini, D. Sertore, E.R. Harms, C.R. Montiel, S. Pivovarov, Proc. of SRF2015, Whistler, BC, Canada, 2015
- Preparation of the 3.9 GHz System for the European XFEL Injector Commissioning, P. Pierini, M. Bertucci, M. Bonezzi, A. Bosotti, J.F. Chen, M. Chiodini, P. Michelato, L. Monaco, M. Moretti, R. Paparella, D. Sertore, C. Albrecht, N. Baboi, S. Barbanotti, J. Branlard, Th. Buettner, Ł. Butkowski, T. Delfs, H. Hintz, F. Hoffmann, M. Hüning, K. Jensch, R. Jonas, R. Klos, D. Kostin, L. Lilje, C.G. Maiano, W. Maschmann, A. Matheisen, U. Mavrič, W.-D. Möller, C. Müller, P. Pierini, J. Prenting, J. Rothenburg, O. Sawlanski, M. Schlösser, M. Schmökel, A.A. Sulimov, E. Vogel, E.R. Harms, C.R. Montiel, C. Pagani, Proc. of SRF2015, Whistler, BC, Canada, 2015
- Fabrication of the 3.9 GHz SRF Structures for the European XFEL, P. Pierini, M. Bertucci, A. Bosotti, J.F. Chen, P. Michelato, L. Monaco, M. Moretti, R. Paparella, D. Sertore, A. Gresele, C.G. Maiano, P. Pierini, E. Vogel, C. Pagani, M. Rizzi, Proc. of SRF2015, Whistler, BC, Canada, 2015
- European XFEL 3.9 GHz System, P. Pierini, M. Bertucci, A. Bosotti, C. Maiano, P. Michelato, L. Monaco, R. Paparella, D. Sertore, C. Pagani, E. Vogel, Proc. of SRF2013, Paris, France, 2013
- XFEL 3.9 GHz Prototype Cavities Tests, P. Pierini, M. Bertucci, A. Bosotti, C. Maiano, P. Michelato, L. Monaco, R. Paparella, D. Sertore, E. Vogel, E.R. Harms, C. Pagani, Proc. of IPAC2013, Shanghai, China, 2013
- Status of the European XFEL 3.9 GHz System, P. Pierini, A. Bosotti, P. Michelato, L. Monaco, C. Pagani, R. Paparella, D. Sertore, E. Vogel, E. Harms, Proc. of LINAC 2012, Tel-Aviv, Israel, 2012
- Status of the European XFEL 3.9 GHz System, P. Pierini, A. Bosotti, P. Michelato, L. Monaco, C. Pagani, R. Paparella, D. Sertore, E. Vogel, E. Harms, Proc. of IPAC2012, New Orleans, USA, 2012
- Status of the XFEL 3.9 GHz Injector Section, P. Pierini, M. Bonezzi, A. Bosotti, M. Fusetti, P.M. Michelato, L. Monaco, R. Paparella, D. Sertore, E. Vogel, Proc of IPAC2011, San Sebastián, Spain, 2011
- Commissioning and Early Operating Experience of the FLASH Third Harmonic RF System, E.R. Harms, H.T. Edwards, Fermilab, Batavia, M. Hüning, E. Vogel, Proc. of LINAC2010, Tsukuba, Japan, 2010
- Test and Commissioning of the Third Harmonic RF System for FLASH, E. Vogel, C. Albrecht, N. Baboi, C. Behrens, T. Delfs, H.T. Edwards, J. Eschke, C. Gerth, E.R. Harms, A. Hocker, M.G. Hoffmann, M. Hoffmann, M. Hüning, R. Jonas, J. Kahl, T.N. Khabiboulline, D. Kostin, G. Kreps, M. Kuhn, F. Ludwig, W. Maschmann, C. Mueller, P. Nommensen, J. Rothenburg, H. Schlarb, Ch. Schmidt, J.K. Sekutowicz, Proc. of IPAC10, Kyoto, Japan, 2010
- Fabrication Experience of the Third Harmonic Superconducting Cavity Prototypes for the XFEL, P. Pierini, A. Bosotti, R. Paparella, D. Sertore, E. Vogel, Proc. of PAC09, Vancouver, Canada, 2009
- XFEL Third Harmonic Superconducting Cavity Prototypes: Fabrication and Processing Experience, P. Pierini , A. Bosotti, P. Michelato, L. Monaco, R. Paparella, D. Sertore, E. Vogel, Proc. of SRF 2009, Berlin, Germany, 2009
- Third Harmonic System at FERMILAB/FLASH, E.R. Harms, T.T. Arkan, V.T. Bocean, H.T. Edwards, M.H. Foley, J. Grimm, A. Hocker, T.N. Khabi-boulline, M.W. McGee, D.V. Mitchell, A.M. Rowe, N. Solyak, K. Jensch, G. Kreps, W.-D. Moeller, E. Vogel, Proc. of SRF 2009, Berlin, Germany, 2009
- Status of the 3rd harmonic systems for FLASH and XFEL in summer 2008, E. Vogel, A. Bosotti, W. Decking, M. Dohlus, H. Edwards, E. Harms, M. Hoffmann, M. Huening, J. Iversen, K. Jensch, T. Khabiboulline, G. Kreps, T. Limberg, A. Matheisen, W.-D. Moeller, P. Pierini, K. Rehlich, A. Schmidt, J. Sekutowicz, D. Sertore and W. Singer, Proc. of LINAC 2008, Victoria, Canada, 2008
- Third harmonic superconducting cavity prototypes for the XFEL, P. Pierini, A. Bosotti, N. Panzeri, D. Sertore, J. Iversen, W. Singer, E. Vogel, H. Edwards, M.H. Foley, E.R. Harms and D. Mitchell, Proc. of LINAC 2008, Victoria, Canada, 2008
- Considerations on the third harmonic rf of the European XFEL, E. Vogel, M. Dohlus, H. Edwards, E. Harms, M. Huening, K. Jensch, T. Khabiboulline, 13th International Work-shop on RF Superconductivity, Peking University, Beijing, China, October 15-19, 2007