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Taban, G.

Paper Title Page
WEPLS033 Cold Atom Electron Sources 0
 
  • O.J. Luiten, M.P. Reijnders, G. Taban, E.J.D. Vredenbregt, S.B. van der Geer
    TUE, Eindhoven
 
  We are developing a completely new method of producing high-brightness electron bunches, based on extraction of electrons from an ultra-cold plasma, created by photo-ionization of a cloud of laser-cooled atoms*. In this way extremely low thermal emittances (<0.1 micron) can be reached at bunch charges of several pC. In addition, pulsed extraction leads to fs bunch lengths and tens of A peak currents without the use of ultra-fast lasers or magnetic compression. GPT simulations in realistic settings show that orders of magnitude in beam brightness may be gained compared to state-of-the-art rf photoguns. Experiments are underway, whose status will be reported.

*B. J. Claessens et al. Phys. Rev. Lett. 95, 164801 (2005).