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Kim, K.-J.

Paper Title Page
TUP059 Photoinjector Production of a Flat Beam with Transverse Emittance Ratio of 100 382
 
  • P. Piot
    Fermilab, Batavia, Illinois
  • K.-J. Kim, Y.-E. S. Sun
    ANL, Argonne, Illinois
 
  The generation of a flat electron beam directly from a photoinjector is an attractive alternative to the electron damping ring as envisioned for linear colliders. It also has potential applications to light sources such as the generation of ultrashort x-ray pulses or Smith-Purcell free electron lasers. In this paper, we report on the experimental generation of a flat beam with a measured transverse emittance ratio of 100±20 for a bunch charge of ≅0.5~nC*. The experimental data, obtained at the Fermilab/NICADD Photoinjector Laboratory, are compared with numerical simulations and the expected scaling laws. Possible improvement of the experiment along with application for such a flat beams are discussed

* P. Piot, Y.-E. Sun and K.-J. Kim, Phys. Rev. ST Accel. Beams 9, 031001 (2006)