Analysis of the quadrupole mass filter with quadrupole excitation by the envelope equation method

Sudakov, M. Yu.; Mamontov, E. V.

doi:10.1134/s1063784216110268

Cited by 7 publications

(3 citation statements)

References 14 publications

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“…The declared [5][6][7] features of the QMF operating in the X-band mode have been confirmed. A comparison of the acceptances in the normal and X-band modes has shown that achieving of a high resolution (R ¼ 10 4 ) while maintaining sufficient transmission (T % 0.1) requires very small ion beam sizes.…”

Section: Resultsmentioning

confidence: 56%

“…Mass peak tails can be significantly damped and the time required for ion sorting can be reduced when operating close to the upper stability island top. 4 Quadrupole excitation by two harmonic signals having different frequencies (in addition to RF field) was proposed by Sudakov et al [5][6][7] For certain values of excitation amplitudes and frequencies, a long and narrow stability band emerges instead of stability islands.…”

Section: Introductionmentioning

confidence: 99%

“…Quadrupole excitation by two harmonic signals having different frequencies (in addition to RF field) was proposed by Sudakov et al. 5–7 For certain values of excitation amplitudes and frequencies, a long and narrow stability band emerges instead of stability islands.…”

Section: Introductionmentioning

confidence: 99%

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Quadrupole mass filter acceptance in stability island created by double-frequency quadrupole excitation

Konenkov

Korzhavchikov

Stepanov

et al. 2018

Eur J Mass Spectrom (Chichester)

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Increase in quadrupole mass filter resolution at separation in narrow band stability island (X-band) formed by biharmonic resonance excitation of ion oscillation is discussed. X-band and the normal working quadrupole mass filter modes are compared at theoretical resolution of 10,000 and different separation times. Transmission curves, acceptance ellipses parameters, and acceptance characteristics are obtained by numerical simulation. Transmission coefficients are approximately the same in both modes. Dependence of acceptance ellipses parameters on ion inlet phases has a complicated oscillating form in the X-band mode. Acceptance contours calculated for given transition levels have been compared. At low acceptance level, the combined acceptance in the X-band mode was found to be one order of magnitude higher than in the normal mode.

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Section: Resultsmentioning

confidence: 56%