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Газовый масс-спектрометр с применением нелинейного ионного зеркала

Газовый масс-спектрометр с применением нелинейного ионного зеркала

Abstract

В статье приведено краткое описание существующих методов фокусировки ионов во времяпролётных масс-спектрометрах, производится сравнение масс-спектрометров с применением ионных зеркал с линейным и нелинейным распределением осевого потенциала. Рассматриваются основные соотношения для расчёта ионно-оптических систем, приводятся результаты моделирования спектрометров двух типов, результаты расчётов зависимости разрешающей способности приборов от массы и начального энергетического разброса ионов. На основе полученных данных даются выводы о преимуществах масс-спектрометров с применением ионного зеркала с нелинейным распределением осевого потенциала.

This article provides a brief description of existing TOF ion focusing methods in mass spectrometers, we compare the mass spectrometer using ion mirrors with linear and nonlinear distribution of axial potential. Researchers have considered the basic equations for the calculation of the ion-optical systems, the results of simulations of two types of spectrometers, the results of calculations depending on the resolution of the instruments of mass and initial energy spread of ions. We derive the advantages of mass spectrometers with nonlinear distribution of axial potential ion mirrors based on these obtained data.

Keywords

ГАЗОВЫЙ МАСС-СПЕКТРОМЕТР, ИОННОЕ ЗЕРКАЛО, МАСС-РЕФЛЕКТРОН, ФОКУСИРОВКА ИОНОВ ПО ЭНЕРГИИ ВТОРОГО ПОРЯДКА, КОМПЕНСАЦИЯ ЭНЕРГЕТИЧЕСКОГО РАЗБРОСА

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold