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Theoretical analysis of electro-optical characteristics of the modified three cylindrical mirror analyzer

Klein S., Kaszczyszyn S., Grzeszczak A., Koscielniak P.

Optica Applicata

2010

Vol. 40, nr 2

521--526

In this paper, theoretical electro-optical characteristics of a modified cylindrical mirror analyzer based on three coaxial cylindrical electrodes obtained with numerical calculations are presented. It was shown, for the first time, that the image of a point source of electrons located on the analyzer optical axis is in the form of a circle which does not depend on the entrance angle of electrons into the analyzer within the range of angles ? = 30°– 40°. In particular, for the input angle ? = 36° and dispersion ?? = š3°, the relative energy resolution is equal to 0.01% at the analyzer constant K = 1.97.