Author: Ogier, B.
Paper Title Page
MOPMW001 A New Buncher for the ESRF Linac Injector 389
 
  • A.S. Setty, A.S. Chauchat, D. Jousse
    Thales Communications & Security (TCS), Gennevilliers Cedex, France
  • H. Delamare, J. Jacob, B. Ogier, T.P. Perron, E. Rabeuf, C. Richard, V. Serrière, R. Versteegen
    ESRF, Grenoble, France
 
  The electron linac was designed to be able to deliver more than 2.5 A in less than 2 ns at 200 MeV within an energy spread of 1% for positrons production at ESRF *. The 200 MeV electron linac was commissioned in 1991. A new gun, a cleaner, a pre-buncher cavity and 4 shielded lenses were tested and installed on the injector in 2008 **. Then, a new Buncher for the ESRF electron linac injector was manufactured and commissioned in 2015. Meanwhile, some new settings were performed to reduce the energy spread for both cases: the long pulse mode and the short pulse mode. The simulations and measurements will be presented.
* D. Tronc et Al. "Electron injector for light source", Proc. EPAC88, Italy, Rome, June 1988.
** T. Perron et Al. "New preinjector for the ESRF booster", Proc. EPAC08, Italy, Genoa, June 2008.
 
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPMW001  
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THPMR016 Horizontal Phase Space Shaping for Optimized Off-axis Injection Efficiency 3424
 
  • S.M. White, S. Lagarde, S.M. Liuzzo, B. Ogier, T.P. Perron, P. Raimondi
    ESRF, Grenoble, France
 
  With the introduction of top-up operation at the ESRF it becomes important to reduce as much as possible any kind of perturbation seen by the users during injection. For this purpose, a novel technique to improve injection efficiency by shaping the horizontal beam phase space to better match the storage ring acceptance and hence reduce the duration of injections was developed. Theoretical concept, simulations and first experimental results are presented.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPMR016  
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