TITLE

A theoretical study of the effects of insulators on electron transport through electrostatic tube lenses

AUTHOR(S)
Anderson, T. G.; Birdsey, B. G.; Woeher, S. M.; Rosenberry, M. A.; Gay, T. J.
PUB. DATE
July 2001
SOURCE
Review of Scientific Instruments;Jul2001, Vol. 72 Issue 7, p2923
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Using the computer program SIMION 6, we have studied the effects of spurious insulator charging on the trajectories of electrons through electrostatic tube lenses. We considered lens elements with flat ends, spaced a distance g apart, whose inner diameter D=10g. For the standard cases of drift tubes, two-element lenses, and einzel lenses, we found that charging effects are eliminated if t/g>3.5, where t is the distance between the lens inner diameter and the charged spacing insulator. © 2001 American Institute of Physics.
ACCESSION #
4710026

 

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