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Logo: GEM/Leibniz Universität Hannover
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Logo: GEM/Leibniz Universität Hannover
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FEM simulation of ion trajectories within ion mobility spectrometer or mass spectrometer

Bild FEM simulation of ion trajectories within ion mobility spectrometer or mass spectrometer

Using FEM Software (Comsol Multiphysics), ion trajectories within ion mobility spectrometers (IMS) at atmospheric pressure or within mass spectrometers (MS) at vacuum conditions are simulated. Depending on the application, the influence of diffusion, migration, charge repulsion, ion generation and the transient electric field are considered. The simulation results are used to optimize IMS or MS operating parameters and geometry.

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