Delayed extraction-constant momentum Time-of-flight mass spectrometry

Ioanoviciu, D.

doi:10.1016/s0168-9002(98)01546-0

Cited by 9 publications

(7 citation statements)

References 4 publications

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“…This was unfortunate, in as much as TOF under constant momentum acceleration does not suffer from “turn‐around effect,” and also offers a linear dependence of flight time on mass‐to‐charge. More attention has been given to constant momentum acceleration in the last 15 years (Ioanoviciu, ; Santacruz et al, ; Dennis et al, 2013).…”

Section: Constant Energy and Constant Momentum Accelerationmentioning

confidence: 99%

In pursuit of resolution in time‐of‐flight mass spectrometry: A historical perspective

Radionova

Filippov

Derrick

2015

Mass Spectrometry Reviews

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Time-of-flight mass spectrometry is reviewed from its inception in the 1940s to the present day. The review is concerned with fundamentals of time-of-flight analyzers and of ion sources to the extent that sources influence analyzers. The patent literature has been covered, and efforts made to bring to light less well-known papers and studies © 2015 Wiley Periodicals, Inc. Mass Spec Rev. 35:738-757, 2016.

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Section: Constant Energy and Constant Momentum Accelerationmentioning

confidence: 99%

In pursuit of resolution in time‐of‐flight mass spectrometry: A historical perspective

Radionova

Filippov

Derrick

2015

Mass Spectrometry Reviews

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“…Poschenrieder (9) achieved energy focus for time-of-flight mass analyzers through a combination of CMA and magnetic sectors. Ioanoviciu has developed theoretical analyses of CMA used in TOFMS with hyperbolic electrode ion sources (10) and with an ion mirror in combination with delayed extraction (11). Most recently, Barovsky et al (12) employed a nonlinear acceleration field with CMA for enhanced ion selection in TOFMS instrumentation.…”

Section: A Brief Review Of Constant-momentum Accelerationmentioning

confidence: 99%

Distance-of-Flight Mass Spectrometry: A New Paradigm for Mass Separation and Detection

Enke

Ray

Graham

et al. 2012

Annual Rev. Anal. Chem.

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Distance-of-flight mass spectrometry (DOFMS) offers the advantages of physical separation of ions, array detection of ions, focusing of initial ion energy, great simplicity, and a truly unlimited mass range. DOFMS instrumentation is similar to that of time-of-flight mass spectrometry (TOFMS) and shares its ion-source versatility, batch analysis, and rapid spectral-generation rate. With constant-momentum ion acceleration and an ion mirror, there is a time at which ions of all mass-to-charge values are energy focused at their particular distances along the flight path. A pulsed field orthogonal to the flight path drives the ions to reach the detector array at this specific time. Results from a 0.29-m proof-of-principle instrument verify the theoretically predicted energy focus and demonstrate how the range of mass-to-charge values that impinge on the detector array can be readily changed. DOFMS could be combined sequentially with TOFMS to enable simultaneous scanless tandem mass spectrometry.

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“…This term arises for ion formation inside the source during a limited time lapse. It is included in another expression for constant impulse acceleration [12]. It is absent when ion formation and detection are followed individually by coincidence techniques.…”

Section: Sensitivity Of the Linear Drift Space Tof Analyzermentioning

confidence: 99%