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Thorin, S.

Paper Title Page
MOPC006 Seeding of the Test FEL at MAX-lab 76
 
  • N. Cutic, F. Curbis, F. Lindau, S. Thorin, S. Werin
    MAX-lab, Lund
 
  The test FEL at MAX-lab has recently been completed. The system will be seeded at 263 nm by a tripled Ti:sapphire laser synchronized to the RF system and the gun laser. Issues important for the seeding will be presented, ranging from the laser system via the layout of photon and electron optics to timing/synchronization and the theoretical approach. Experimental results on the seeding operation will also be presented.  
MOPC032 Progress of the Commissioning of the Test FEL at MAX-lab 139
 
  • S. Thorin, F. Curbis, N. Cutic, F. Lindau, S. Werin
    MAX-lab, Lund
  • M. Abo-Bakr, J. Bahrdt, K. Holldack
    BESSY GmbH, Berlin
 
  In a collaboration between MAX-lab and BESSY a seeded Harmonic Generation Free Electron Laser is being constructed at MAX-lab. The setup uses the existing MAX-lab facility together with a Ti:Sa 266 nm lasersytem used for both the gun and seeding and an optical klystron consisting of a modulator, a chicane and a radiator. The different parts of the system has been installed and commissioning with electrons of the full setup started during the fall of 2007. In this paper the progress of the commissioning of the Test FEL and our initial results are presented.  
MOPC034 Collective Effects in a Short-Pulse FEL Driver 145
 
  • P. H. Williams, H. L. Owen
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire
  • G. Bassi
    Cockcroft Institute, Warrington, Cheshire
  • S. Thorin
    MAX-lab, Lund
 
  There is much interest in the provision of coherent, tunable VUV and soft X-ray pulses of duration less than 10fs. A 1.3 GHz linac driver concept has been developed, and in this paper we address collective effects in the short electron bunches using start-to-end modelling. In particular, we examine the limitations from coherent radiation and induced microbunching, and their impact on the design of the accelerator system.