DYNAMIC PROGRAMMING SEARCH FOR MAGNETIC FIELD DISTRIBUTIONS WITH MINIMUM SPHERICAL ABERRATION.

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Abstract

The first results of the application of the dynamic programming principle to electron optical optimization are presented. A rich variety of axially symmetric magnetic field distributions with minimum spherical aberration is found. The solutions obtained are discussed. A rigorous treatment of the hyperbolic field is given.

Original languageEnglish (US)
Pages (from-to)223-246
Number of pages24
JournalOptik (Jena)
Volume49
Issue number2
Publication statusPublished - Nov 1977
Externally publishedYes

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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