1934 - Double Focusing Analyzer

First double focusing magnetic analyzer.

• J. Mattauch, R. Herzog
  Über einen neuen Massenspektrographen
  Zeitschrift fur Physik, 1934, 89(), p.786

  
  
  PDF

• Johnson E.G., Nier A.O.
  Angular aberrations in sector-shaped electromagnetic lenses for focusing beams of charged particles
  Phys. Rev., 1953, 91(1), p.10

  Abstract
  
  PDF