Fourier transform ion cyclotron resonance cell with dynamic harmonization of the electric field in the whole volume by shaping of the excitation and detection electrode assembly

Ivan A. Boldin, Eugene N. Nikolaev

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)

Abstract

A new principle of formation of the effective electric field distribution in a Penning trap is presented. It is based on the concept of electric potential space averaging via charged particle cyclotron motion. The method of making hyperbolic-type field distribution in the whole volume of a cylindrical Penning trap is developed on the basis of this new principal. The method is based on subdividing the cell cylindrical surface into segments with shapes producing quadratic dependence on axial coordinate of an averaged (along cyclotron motion orbit) electric potential at any radius of cyclotron motion. The cell performance is compared in digital experiments with the performance of a Gabrielse-type cylindrical cell with four compensation electrodes and is shown to be more effective in ion motion harmonization at higher cyclotron radii and axial oscillation amplitude.

Original languageEnglish
Pages (from-to)122-126
Number of pages5
JournalRapid Communications in Mass Spectrometry
Volume25
Issue number1
DOIs
Publication statusPublished - 15 Jan 2011
Externally publishedYes

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