Definition of electron optics in English:

electron optics

plural noun

  • [treated as singular] The branch of physics that deals with the behaviour of electrons and electron beams in magnetic and electric fields.

    • ‘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.’