FIFTH-ORDER RELATIVISTIC ABERRATION THEORY FOR ELECTROMAGNETIC FOCUSING SYSTEMS INCLUDING SPHERICAL CATHODE LENSES.

Kecong Ai Kecong, Miklos N Szilagyi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A fifth-order relativistic aberration theory for rotationally symmetric electromagnetic focusing systems including spherical cathode lenses is developed by means of the variational principle. The charged particles are supposed to be emitted with definite initial energy and angular distributions; the object and image planes may have finite curvatures; the source is immersed in both magnetic and transversal electric fields. For this general case, universal formulas for fifth-order transversal geometrical and chromatic aberrations at an arbitrary image plane are given in explicit form. The aberrations are expressed in matrix form, and are thus suitable for computer calculations. These formulas can be applied for computer aided design of image tubes and other electron optical devices.

Original languageEnglish (US)
Pages (from-to)33-40
Number of pages8
JournalOptik (Jena)
Volume79
Issue number1
StatePublished - Apr 1988

Fingerprint

Aberrations
aberration
Lenses
Cathodes
cathodes
lenses
electromagnetism
Image storage tubes
image tubes
Angular distribution
Charged particles
variational principles
computer aided design
Optical devices
Computer aided design
energy distribution
charged particles
angular distribution
curvature
Electric fields

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

FIFTH-ORDER RELATIVISTIC ABERRATION THEORY FOR ELECTROMAGNETIC FOCUSING SYSTEMS INCLUDING SPHERICAL CATHODE LENSES. / Ai Kecong, Kecong; Szilagyi, Miklos N.

In: Optik (Jena), Vol. 79, No. 1, 04.1988, p. 33-40.

Research output: Contribution to journalArticle

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