Abstract

A new electrostatic multichannel deflector providing energy filtration of charged particles is proposed. The device comprises a cylinder with closed ends and an axial filament electrode. The potential profile in the system is analytically calculated. The main parameters of the energy filter are calculated for a charged particle beam injected and extracted via grounded end faces. Owing to a small azimuthal beam size compared to the cylinder perimeter, the proposed system is quite compatible with one-to four-channel dynamical monopole mass spectrometers, providing energy-filtered beam deflection to a detector.

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