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Brief Communications

High-dispersion energy analyzer of charged particles in the form of two coaxial cylinders with an end diaphragm

T. Ya. Fishkova

Ioffe Institute, St. Petersburg

Abstract: We propose an energy analyzer of charged particles based on the coaxial electrostatic lens that has been studied earlier. The optimal regimes of operation of such an analyzer are determined using numerical simulation by varying four independent parameters. It is found that linear energy dispersion is an order of magnitude higher than the dispersion of widely used energy analyzers of the type of a plane and cylindrical mirrors, as well as a number of other devices for analyzing the energy of charged particles.

Received: 21.02.2012

 English version: Technical Physics, 2012, 57:12, 1735–1736

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