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Fong, D.M.

Paper Title Page
THPD046 Initial Results on Electron Beam Generation using Pyroelectric Crystals 4384
 
  • U.H. Lacroix, D.M. Fong, G. Travish, N. Vartanian
    UCLA, Los Angeles
  • E.R. Arab
    PBPL, Los Angeles
  • R.B. Yoder
    Manhattanville College, Purchase, New York
  
 

Pyroelectric crystals, which produce large surface electric fields during heating and cooling, have been proposed as a mechanism for constructing a stand-alone electron beam source. We report on experimental tests of this concept, using a variety of field emission tips combined with a pyroelectric crystal to produce a low-energy electron beam during thermal cycling. The mechanism is suitable for generating very small electron bunches, with energies up to tens of kilovolts, for use in microaccelerator structures.