Fig. 9
From: Electric ion dispersion as a new type of mass spectrometer

This plot shows the trajectory of the charged particles (red) entering through the device (blue) at z=0. Note there is a slight deflection, but ultimately, there is only a drift
From: Electric ion dispersion as a new type of mass spectrometer
This plot shows the trajectory of the charged particles (red) entering through the device (blue) at z=0. Note there is a slight deflection, but ultimately, there is only a drift