Author: Huttel, E.
Paper Title Page
MOPRO066 Status of FLUTE 231
 
  • M. Schuh, I. Birkel, A. Borysenko, A. Böhm, N. Hiller, E. Huttel, S. Höninger, V. Judin, S. Marsching, A.-S. Müller, A.-S. Müller, A.-S. Müller, S. Naknaimueang, M.J. Nasse, R. Rossmanith, R. Ruprecht, M. Schwarz, M. Weber, P. Wesolowski
    KIT, Eggenstein-Leopoldshafen, Germany
  • R.W. Aßmann, M. Felber, K. Flöttmann, M. Hoffmann, H. Schlarb
    DESY, Hamburg, Germany
  • H.-H. Braun, R. Ganter, V. Schlott, L. Stingelin
    PSI, Villigen PSI, Switzerland
  
  FLUTE, a new linac-based test facility and THz source is currently being built at the Karlsruhe Institute of Technology (KIT) in collaboration with DESY and PSI. It consists of an RF photo gun and a traveling wave linac accelerating electrons to beam energies of ~41 MeV in the charge range from a few pC up to 3 nC. The electron bunch will then be compressed in a magnetic chicane in the range of 1 - 300 fs, depending on the charge, in order to generate coherent THz radiation with high peak power. An overview of the simulation and hardware status is given in this contribution.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRO066  
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TUPRI074 First Results of the New Bunch-by-bunch Feedback System at ANKA 1739
 
  • E. Hertle, N. Hiller, E. Huttel, B. Kehrer, A.-S. Müller, A.-S. Müller, N.J. Smale
    KIT, Eggenstein-Leopoldshafen, Germany
  • M. Höner
    DELTA, Dortmund, Germany
  • D. Teytelman
    Dimtel, San Jose, USA
  
  A new digital three dimensional fast bunch by bunch feedback system has been installed and commissioned at ANKA. Immediate improvements to stored current and lifetime were achieved for normal user operation. For this, the feedback has to be running during the injection and the energy ramp to 2.5 GeV. Additionally, the feedback system was also incorporated into the diagnostic tool-set at ANKA and opened up new possibilities of automated and continuous measurements of certain beam parameters. The system can operate in different modes such as the low alpha operation mode, which has different requirements on the feedback system compared to normal user operation. Results on the various aspects will be presented as well as future improvements.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRI074  
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THPME112 Design of a Compact Setup to Measure Beam Energy by Detection of Compton Backscattered Photons at ANKA 3494
 
  • C. Chang, D. Batchelor, E. Hertle, E. Huttel, V. Judin, A.-S. Müller, A.-S. Müller, A.-S. Müller, M.J. Nasse, M. Schuh, J.L. Steinmann
    KIT, Karlsruhe, Germany
  
  Funding: This work is funded by the European Union under contract PITN-GA-2011-289191
One of the most important parameters of accelerators is their beam energy. So far, the method of resonant depolarization was used to accurately determine the energy at 2.5 GeV of the ANKA electron storage ring, which, however, becomes cumbersome for lower energies. A good alternative is the detection of Compton backscattered photons, generated by laser light scattered off the relativistic electron beam. To achieve compactness and integration into the storage ring, the setup of transverse scattering is proposed instead of conventional head-on collision. The feasibility has been studied by comparison between simulations of Compton backscattered photons by AT and CAIN 2.35 and actual measurement of background radiation with an HPGe (High Purity Germanium) spectrometer. The layout of the setup is also included in the paper. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPME112  
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TUPRO105 Design of the Main Magnets of the SESAME Storage Ring 1292
 
  • A. Milanese
    CERN, Geneva, Switzerland
  • E. Huttel, M.M. Shehab
    SESAME, Allan, Jordan
  
  Funding: This work is partially supported by the EC under the CESSAMag project, FP7 contract 338602.
The lattice of the SESAME storage ring includes 16 combined function dipoles, 32 focusing quadrupoles, 32 defocusing quadrupoles, 32 focusing sextupoles and 32 defocusing sextupoles. Vertical / horizontal dipoles and skew quadrupole correctors are embedded in each sextupole. This paper summarizes the magnetic design and gives the parameters for all these magnets. The pole tip profile is commented and results of simulations are presented. At the end, the status of the procurement in the industry and collaborating institutes is presented. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO105  
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THPRO068 Multipoles and Alignment Error Limits for the SESAME Storage Ring Magnets 3035
 
  • M. Attal, E. Huttel
    SESAME, Allan, Jordan
  
  SESAME storage ring magnets are being constructed through the CESSAMag project in the frame of SESAME - CERN/EU collaboration. The impact of multipole and alignment errors of these magnets on machine performance have been investigated using different tracking codes. The tolerance of both systematic and random errors are defined. This article reports on the investigation results.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2014-THPRO068  
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