Definition of electron lens in English:

electron lens

Line breaks: elec|tron lens

noun

Physics
A device for focusing a stream of electrons by means of electric or magnetic fields.
More example sentences
  • An electron lens is used for focusing electrons from a cathode to an anode.
  • Ruska knew that electrons could be manipulated within a magnetic field, and in the late 1920s, he designed a magnetic coil that acted as an electron lens.
  • The technology, called aberration correction, fixes imperfections on the microscope's electron lenses.

Definition of electron lens in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day meretricious
Pronunciation: ˌmɛrɪˈtrɪʃəs
adjective
apparently attractive but having no real value...