An analysis of a wide-angle deflection system

dc.contributor.advisorEl-Kareh, A. B.
dc.contributor.committeeMemberTavora, Carlos J.
dc.contributor.committeeMemberRhodes, Benjamin T., Jr.
dc.creatorHwang, Su-Jen
dc.description.abstractA numerical analysis of a magnetic deflection system with a magnetic lens has been studied. Several electron trajectories were computed to find the disc of minimum confusion. Pincushion distortion and anisotropic distortion were observed. The spot was varied by changing one of the following parameters, deflection current, anode voltage, and the distance between the magnetic lens and the magnetic deflection field. One-dimensional and two-dimensional deflection systems were analyzed. Techniques to reduce the spot distortion, such as dynamic focusing and anastigmatism, were verified numerically.
dc.description.departmentElectrical and Computer Engineering, Department of
dc.format.digitalOriginreformatted digital
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. Section 107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.titleAn analysis of a wide-angle deflection system
dc.type.genreThesis College of Engineering Engineering, Department of Engineering of Houston of Science


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