Optics of Electron Guns

  • Harald Rose
Part of the Springer Series in Optical Sciences book series (SSOS, volume 142)


The calculation procedure developed for electron mirrors is employed for determining the optical properties of field emission guns and cathode lenses. This approach avoids the separation of the system in an accelerating regime and a focusing region used in standard methods. The advantage of the new method is shown by deriving an analytic expression for the spherical aberration at the crossover.


Electric Field Strength Cathode Surface Chromatic Aberration Paraxial Approximation Cold Field Emitter 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Harald Rose
    • 1
  1. 1.Institut für Angewandte PhysikTU DarmstadtDarmstadtGermany

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