Home > Terms > English, UK (UE) > Magnetic lens
Magnetic lens
A magnetic field with axial symmetry capable of converging beams of charged particles of uniform velocity and of forming images of objects placed in the path of such beams. Magnetic lenses are employed as condensers, objectives, and projection lenses in magnetic electron microscopes, as final focusing lenses in the electron guns of cathode-ray tubes, and for the selection of groups of charged particles of specific velocity in velocity spectrographs.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Science
- Category: General science
- Company: McGraw-Hill
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