Author/Authors :
Tremaine، نويسنده , , A. and Wang، نويسنده , , X.J. and Babzien، نويسنده , , M. and Ben-Zvi، نويسنده , , I. and Cornacchia، نويسنده , , M. and Malone، نويسنده , , R. and Murokh، نويسنده , , A. and Nuhn، نويسنده , , H.-D. and Pellegrini، نويسنده , , C. and Reiche، نويسنده , , S. and Rosenzweig، نويسنده , , J. and Skaritka، نويسنده , , J. and Yakimenko، نويسنده , , V.، نويسنده ,
Abstract :
The experimental characterization of nonlinear harmonic generation (NHG) and electron beam microbunching at saturation from a visible SASE FEL are presented in this report. The gain lengths, spectra and energies of NHG were experimentally measured up to the third harmonic, and agree with theoretical predictions. Electron beam microbunching in both the fundamental and the second harmonic as the function of the SASE output were experimentally observed over the full range of SASE gain. The bunching factors for both the fundamental (b1) and second harmonic (b2) were experimentally characterized at saturation. The microbunching data provides another test of SASE saturation as well as correlating the NHG and electron beam microbunching modes to the fundamental SASE.
Keywords :
Nonlinear , Saturation , Microbunching , Harmonic
