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Conferences > LACA > 1992 > WB > WB2

Laser Photodissociation Probe for Ion Tomography Studies in a Quadrupole Ion Trap Mass Spectrometer

P. H. Hemberger, N. S. Nogar, and J. Williams

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Abstract

Operation of a quadrupole ion trap mass spectrometer depends intimately on the details of ion trajectories in the trapping field 1,2. Stable ion trajectories provide storage of ions for reactive3 and spectroscopic studies4-6 while unstable trajectories allow selective ejection of ions for mass analysis7. Clearly, the details of ion trajectories, including spatial and velocity distributions, and the effects of drive frequency, phase and amplitude, and gas pressure, are crucial to the performance of an ion trap mass spectrometer.

© 1992 Optical Society of America

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