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electron lens

noun

  1. a combination of static or varying electric and magnetic fields, used to focus streams of electrons in a manner similar to that of an optical lens.

electron lens

noun

  1. a system, such as an arrangement of electrodes or magnets, that produces a field for focusing a beam of electrons

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Word History and Origins

Origin of electron lens1

First recorded in 1930–35

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electronic warfareelectron micrograph

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