Author: Allaria, E.
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EEHG Experiment at FERMI  
  • E. Allaria
    Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
  Echo enabled harmonic generation (EEHG) has been recognized as a possible solution to extend the tuning range of externally seeded FELs to wavelength as short as few nm. Previous experiments have confirmed the capabilities to produce bunching at very high harmonic but they have been done only at long wavelength. An experiment to demonstrate EEHG operations at high harmonic and short wavelength is planned at FERMI. With few modifications to the FERMI FEL-2 layout, EEHG will be studied and performances will be compared to other seeding schemes such as high gain harmonic generation (HGHG). Attention will be focused to the spectral purity and to the sensitivity of EEHG and HGHG to microbunching instabilities.  
slides icon Slides TUP2WA01 [19.405 MB]  
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