Author: Jenzer, S.
Paper Title Page
MOPMB002 First Measurements of Coherent Smith-Purcell Radiation in the SOLEIL Linac 69
 
  • N. Delerue, J. Barros, S. Jenzer, V. Khodnevych, M.S. Malovytsia
    LAL, Orsay, France
  • N. Hubert, M. Labat
    SOLEIL, Gif-sur-Yvette, France
  • V. Khodnevych
    National Taras Shevchenko University of Kyiv, The Faculty of Physics, Kyiv, Ukraine
  • M.S. Malovytsia
    KhNU, Kharkov, Ukraine
  
  Funding: The authors are grateful for the funding received from the French ANR (contract ANR-12-JS05-0003-01).
An experiment to measure the Coherent Smith-Purcell radiation has been installed in the SOLEIL Linac. Its aim is to produce a map of Smith-Purcell radiation emissions in several planes and compare it with theoretical predictions. Coherent Smith Purcell radiation is produced when a grating is brought close from a sufficiently short charged particles beam. The experiment consist of two detectors with 5 degrees of freedom. These two detectors can be moved around the emission point to measure the intensity of the radiation at different locations. Radiation maps are recorded parasitically by moving the detectors around during normal linac operations. 		 
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPMB002  
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MOPMB005 Study of Short Bunches at the Free Electron Laser CLIO 78
 
  • V. Khodnevych, N. Delerue, S. Jenzer
    LAL, Orsay, France
  • J.P. Berthet, F. Glotin, J.-M. Ortega, R. Prazeres
    CLIO/ELISE/LCP, Orsay, France
  • V. Khodnevych
    National Taras Shevchenko University of Kyiv, The Faculty of Physics, Kyiv, Ukraine
  
  Funding: The authors are grateful for the funding received from the French ANR (contract ANR-12-JS05-0003-01).
CLIO is a Free Electron Laser based on a thermionic electron gun. In its normal operating mode it delivers electron 8 pulses but studies are ongoing to shorten the pulses to about 1 ps. We report on simulations showing how the pulse can be shortened and the expected signal yield from several bunch length diagnostics (Coherent Transition Radiation, Coherent Smith Purcell Radiation). 		 
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPMB005  
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WEPMY003 Simulations of the Acceleration of Externally Injected Electrons in a Plasma Excited in the Linear Regime 2542
 
  • N. Delerue, C. Bruni, S. Jenzer
    LAL, Orsay, France
  • S. Kazamias, B. Lucas, G. Maynard
    Laboratoire de Physique des Gaz et des Plasmas, Universite Paris-Sud, Orsay, France
  • M. Pittman
    CLUPS, Orsay, France
  
  We have investigated numerically the coupling between a 10 \si{MeV} electron bunch of high charge (§I{> 100}{pc}) with a laser generated accelerating plasma wave. Our results show that a high efficiency coupling can be achieved using a §I{50}{TW}, §I{100}{μ \meter} wide laser beam, yielding accelerating field above §I{1}{ GV/m}. We propose an experiment where these predictions could be tested.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMY003  
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