A
mass spectrometer in which the ions to be separated absorb maximum energy through the effect of alternating
electric fields which are parallel to the path of the ions. These ions are then separated
from other ions with different mass/charge by an additional electric field.
Source:
PAC, 1991, 63, 1541
(Recommendations for nomenclature and symbolism for mass spectroscopy (including an
appendix of terms used in vacuum technology). (Recommendations 1991))
on page 1545