From: Resolution enhancement of field asymmetric waveform ion mobility spectrometry (FAIMS) by ion focusing
Voltage loaded
Position of upper ion beam/mm
Position of lower ion beam/mm
20 kHz 60 Vpp
0.3281
0.1832
30 kHz 60 Vpp
0.3206
0.2028
40 kHz 60 Vpp
0.3241
0.1931
50 kHz 60 Vpp
0.3220