Electron Emission Systems

  • Harald Ibach
Part of the Springer Series in Optical Sciences book series (SSOS, volume 63)


Monochromators require feed beams with defined aperture angles and a low energy spread. After presenting some basic concepts of thermionic emission we describe the technical aspects of trajectory calculations in the presence of space charge. Emission systems with differently shaped lenses are studied and their performances are compared.


Space Charge Emission Current Entrance Slit Lens System Virtual Cathode 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • Harald Ibach
    • 1
  1. 1.Institut für Grenzflächenforschung und VakuumphysikKernforschungsanlage Jülich GmbHJülichFed. Rep. of Germany

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