First Advisor

Gertrude Rempfer

Term of Graduation

Winter 1997

Date of Publication

1997

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Physics

Department

Physics

Language

English

Subjects

Magnetic lenses

DOI

10.15760/etd.8139

Physical Description

1 online resource (viii, 77 pages)

Abstract

A method of experimentally determining the properties of a magnetic electron lens is presented. The method uses the shadows cast by two meshes, one placed in front of the lens and one behind the lens, to study the properties of the image of a point source. The lens properties are then calculated from the image properties. The paraxial values of focal length and focal distance as well as their spherical aberrations, are determined. The relationship between image and lens properties are discussed. The method is used here for the first time in determining the focal properties of a magnetic lens.

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Comments

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Persistent Identifier

https://archives.pdx.edu/ds/psu/39330

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