noun[treated as singular]
The branch of physics that deals with the behaviour of electrons and electron beams in magnetic and electric fields.
More 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.
Definition of electron optics in:
- The US English dictionary