Electrostatic Strong-Focusing Lens
作者:
M. Loren Bullock,
期刊:
American Journal of Physics
(AIP Available online 1955)
卷期:
Volume 23,
issue 5
页码: 264-268
ISSN:0002-9505
年代: 1955
DOI:10.1119/1.1933974
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
The basic principles of an electrostatic strong-focusing lens are described in order to illustrate a modern application of several classical concepts. The motion of an ion in the electrostatic field is described in terms of optical analogies to thick lenses. The astigmatism of such lenses is discussed, and the two-section lens designed for use with the Naval Research Laboratory 5-Mev Van de Graaff proton beam is described.
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