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High-Resolution Microscopy

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

Abstract

The original objective of holography was to improve the resolution of an electron microscope. Since an aberration-free system cannot be achieved by the combination of concave and convex lenses in the electron case because of the lack of a concave electron lens, the resolution is determined by the aberrations of the objective lens and not by a fundamental limit of the electron wavelength. In fact, it was theoretically verified by Scherzer [8.1] that an axially-symmetric magnetic field can function only as a convex lens for an electron beam.

Keywords

Spatial Frequency Interference Fringe Lattice Image Lattice Fringe Diffract Beam 
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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References

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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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