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A Nonaberrational Lens and Aberration Correctors

  • ELECTROPHYSICS, ELECTRON AND ION BEAMS, PHYSICS OF ACCELERATORS
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Abstract

A nonaberrational four-electrode lens for forming an ion beam for mass separators or spectrometers is described. A lens is a modification of a transaxial lens in which the circular gaps between the electrodes are replaced by elliptical gaps. The lens transforms an axially symmetrical beam into a ribbon-type beam. The lens parameters have been found using the phase diagram method. Using the same method, a new aberration corrector for electrostatic lenses and a new sector magnet aberration corrector are developed.

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REFERENCES

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute Named after B.P. Konstantinov of National Research Center Kurchatov Institute, 188300, Gatchina, Leningrad oblast, Russia

    V. V. Lukashevich

Authors
  1. V. V. Lukashevich
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Correspondence to V. V. Lukashevich.

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The author declares that he has no conflicts of interest.

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Translated by N. Petrov

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Lukashevich, V.V. A Nonaberrational Lens and Aberration Correctors. Tech. Phys. 65, 975–980 (2020). https://doi.org/10.1134/S1063784220060201

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  • DOI: https://doi.org/10.1134/S1063784220060201

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