electron lens

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electron lens

n.
Any of various devices that use an electric or magnetic field to focus a beam of electrons.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

electron lens

n
(General Physics) a system, such as an arrangement of electrodes or magnets, that produces a field for focusing a beam of electrons
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

elec′tron lens`


n.
a combination of static or varying electric and magnetic fields used to focus streams of electrons.
[1930–35]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.electron lens - electronic equipment that uses a magnetic or electric field in order to focus a beam of electronselectron lens - electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
lens
electronic equipment - equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive
"We've shown we can improve upon the resolution limit of an electron lens by a factor of five.
A closer view: an imaging technique that does away with the need for lenses could be the key to high resolution investigations at atomic levels
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