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Limborg-Deprey, C.

Paper Title Page
WEOB004 Maximizing Brightness in PhotoInjectors 418
 
  • C. Limborg-Deprey
    SLAC, Menlo Park, California
  
 

Funding: SLAC is operated by Stanford University for the Department of Energy under contract number DE-AC02-76SF00515

If the laser pulse driving photoinjectors could be arbitrarily shaped, the emittance growth induced by space charge effects could be totally compensated for. In particular, for normal conducting RF guns the photo-electron distribution should approach a 3D-ellipsoidal shape. The emittance at the end of the injector would reduce to the combination of cathode emittance and RF emittance. We explore how the emittance and the brightness can be optimized for normal conducting photocathode RF gun depending on the peak current requirements. Techniques available to produce those ideal laser pulse shapes are also discussed.

  
   
THPP065 Measurements of Transverse and Longitudinal Electron Beam Phase Space Distributions at the Gun Test Facility
 
  • H. Loos, P.R. Bolton, J.E. Clendenin, D. Dowell, S.M. Gierman, C. Limborg-Deprey, J.F. Schmerge
    SLAC, Menlo Park, California
  
 

Funding: Work supported by DOE contracts DE-AC02-76SF00515

The Gun Test Facility (GTF) at SLAC serves as a test bed for electron gun and high brightness photoinjector developement for future short wavelength light sources as well as new or improved diagnostics techniques. We report on measurements of longitudinal and projected as well as time-resolved transverse electron beam properies over a wide range of charge from 15 to 600 pC. The transverse and longitudinal phase space distributions are compared with simulation results.