Definition of electron optics in English:

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electron optics

plural noun

[treated as singular]
The branch of physics that deals with the behavior of electrons and electron beams in magnetic and electric fields.
Example sentences
  • Electron optics was born in 1927, when Hans Busch showed that the elementary lens equation is applicable to electron image formation.
  • Lenses for precision electron optics are mainly magnetic, requiring large cylinders of soft iron to focus an electron beam.
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