SOLUTION TO THE PROBLEM OF THE IDEAL QUADRUPOLE LENS.

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Abstract

A simple solution of the ideal quadrupole lens problem is proposed. The lens consists of an arbitrary number of electrodes or poles field at suitably chosen potentials. A system of M electrodes possessing two mutually perpendicular planes of symmetry has only (M plus 2)-nd, (2M minus 2)-nd and higher multipole components. As a special case a 12-electrode concave cylindrical system is proposed which can also be used as a combined quadrupole-octopole-dodecapole element.

Original languageEnglish (US)
Pages (from-to)121-128
Number of pages8
JournalOptik (Jena)
Volume50
Issue number2
StatePublished - Jan 1 1978
Externally publishedYes

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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