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Historical Development of Electron Holography

  • Akira Tonomura
Chapter
  • 485 Downloads
Part of the Springer Series in Optical Sciences book series (SSOS, volume 70)

Abstract

The original approach that Danis Gabor took in developing electron holography was an in-line projection method [4.1] in which an object is illuminated with a divergent spherical wave from a point focus close to the object (Fig.4.1). This kind of hologram is a highly magnified projected interference pattern between the object and the transmitted waves. No lenses are necessary, but this method requires a very small electron point focus. The diameter of the focus determines the resolution of the reconstructed image.

Keywords

Reconstructed Image Zone Plate Cerium Dioxide Magnesium Oxide Particle Illumination Angle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Akira Tonomura
    • 1
  1. 1.Advanced Research LaboratoryHitachi, Ltd.SaitamaJapan

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