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High voltage pulser for ion shutters in ion mobility spectrometry based on an optocoupler
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 4656697
Author(s) Chantipmanee, Nattapong; Boillat, Marc-Aurčle; Hauser, Peter C.
Author(s) at UniBasel Hauser, Peter C.
Year 2022
Title High voltage pulser for ion shutters in ion mobility spectrometry based on an optocoupler
Journal Review of Scientific Instruments
Volume 93
Number 7
Pages / Article-Number 074703
Abstract A novel high voltage pulser for an ion shutter used in drift-tube ion-mobility spectrometers is described. The simple design suitable for the in-house construction of these spectrometers relies on a special optocoupler to isolate the triggering circuitry from the high voltage at the ion shutter. The device was tested with an electrospray-ionization ion-mobility device with a 10 cm drift tube operated at 4 kV into which a standard test mixture of four tetraalkylamines was injected with a negative going gating pulse of about 50 V on top of 4 kV. A fall time of 15.7 µs and a rise time of 2.0 µs were determined for the pulse, which was adequate for the required injection pulse width of 450 µs. Resolving powers between 61 and 81 were determined for the four quaternary amines, which were found to be comparable to the performance obtained with a previously reported pulser circuitry of a different design used as a reference.
Publisher AIP Publishing
ISSN/ISBN 0034-6748 ; 1089-7623
edoc-URL https://edoc.unibas.ch/91952/
Full Text on edoc Available
Digital Object Identifier DOI 10.1063/5.0093479
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/35922285
ISI-Number MEDLINE:35922285
Document type (ISI) Journal Article
 
   

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