Affiliation:
1. Institute of Mass Spectrometry and Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
Abstract
The control and transmission of ions or small charged droplets in the intermediate to high-pressure regime is of primary importance in areas such as atmospheric pressure ionisation. Where small apertures separate differentially pumped vacuum regions in the inlet systems to mass spectrometers, a large proportion of the available ion current is lost to the surrounding electrode structures. A new ion-optical device, named the ion conveyor, incorporating electrodynamic focusing and conveying of charged entities is described. Results from ion-optical simulations are presented demonstrating the performance of the device in various operating modes and electrode configurations.
Subject
Spectroscopy,Atomic and Molecular Physics, and Optics,General Medicine
Cited by
14 articles.
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