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Decker, G.

Paper Title Page
THP109 Potential for an Ultra-low Emittance Thermionic Triode Gun 989
 
  • X.W. Dong, M. Borland, G. Decker, K.-J. Kim, J.G. Power, N. Sereno
    ANL, Argonne
 
 

The proposed X-ray Free Electron Laser Oscillator* requires an ultra-low emittance gun that generates continuous electron bunches at 1 to 10 MHz. Recently, T. Shintake raised the possibility of using a pulsed triode gun with a thermionic cathode. In this paper, we investigate the feasibility for such a gun as part of an injector producing normalized emittances in the 0.1 μm range with 2 ps rms duration for 50 pC/bunch. We also explore some implementation concepts.


*K. J. Kim et al., Phys. Rev. Lett. 100, 244802 (2008)