Impact of the drift length on the performance of MR-ToF devices

IF 1.5 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-03-03 DOI:10.1016/j.nima.2025.170365

F.M. Maier , F. Buchinger , B. Arderucio Costa , H. Heylen , C. Kanitz , A.A. Kwiatkowski , V. Lagaki , S. Lechner , E. Leistenschneider , G. Neyens , W. Nörtershäuser , P. Plattner , M. Rosenbusch , L. Schweikhard , S. Malbrunot-Ettenauer

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引用次数: 0

Abstract

Multi-Reflection Time-of-Flight (MR-ToF) devices are powerful tools for high-precision mass spectrometry, highly selective and high-flux mass separation as well as, most recently, for highly sensitive laser spectroscopic applications. In this work, various ion-optical simulations are conducted to provide insights into optimizing the design of the MR-ToF apparatus to enhance performance across its diverse application fields. In particular, we investigate the effect of the drift length, i.e. the distance between the two electrostatic mirrors of an MR-ToF device, which reveals that an optimal mass resolving power can only be achieved through matching of the drift-tube length, ion-beam energy, and the design of the electrostatic mirrors. This finding can be well understood by analytical one-dimensional models which fit remarkably well to existing MR-ToF devices.

For some of the applications enabled by MR-ToF devices, precise knowledge about the ion-beam energy is of importance. We find that the revolution period as a function of the kinetic energy of the ions not only serves as an experimental benchmark for our simulation studies but also allows to determine the beam energy of the stored ions. This is experimentally demonstrated to an accuracy of 5 eV for an MR-ToF device operated at 1.5 keV beam energy.

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来源期刊

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 物理-光谱学

CiteScore

3.20

自引率

21.40%

发文量

787

审稿时长

1 months

期刊介绍： Section A of Nuclear Instruments and Methods in Physics Research publishes papers on design, manufacturing and performance of scientific instruments with an emphasis on large scale facilities. This includes the development of particle accelerators, ion sources, beam transport systems and target arrangements as well as the use of secondary phenomena such as synchrotron radiation and free electron lasers. It also includes all types of instrumentation for the detection and spectrometry of radiations from high energy processes and nuclear decays, as well as instrumentation for experiments at nuclear reactors. Specialized electronics for nuclear and other types of spectrometry as well as computerization of measurements and control systems in this area also find their place in the A section. Theoretical as well as experimental papers are accepted.