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Title: Particle-in-cell plasma simulation code for ion trap mass spectrometer

Abstract

The authors developed a Particle-In-Cell (PIC) finite difference simulation code as a numerical tool for designing Quadrupole Ion Trap Mass Spectrometers. The code is capable of tracing the motion of various heavy ion species in the background of a light neutral gas, like He, in a complicated quadrupole trap geometry. Moreover, the code can describe the ions nonlinear dynamic under multi-frequency and polarity rf signals and in particular under the Filtered Noise Field (FNF). In this mode of operation a low voltage rf noise with a specific narrow band removed by a notch filter is injected between the end caps of the ion trap together with the high voltage rf signal across the trap. This results in an enhancement of the mass spectrometer sensitivity by selecting and concentrating a specific ion species. Various modes of operation as well as various geometries of the ion trap will be presented and compared with experimental results.

Authors:
; ;
Publication Date:
OSTI Identifier:
419674
Report Number(s):
CONF-960634-
Journal ID: ISSN 0730-9244; TRN: IM9706%%218
Resource Type:
Conference
Resource Relation:
Conference: 1996 IEEE international conference on plasma science, Boston, MA (United States), 3-5 Jun 1996; Other Information: PBD: 1996; Related Information: Is Part Of IEEE conference record -- Abstracts: 1996 IEEE international conference on plasma science; PB: 324 p.
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; 99 MATHEMATICS, COMPUTERS, INFORMATION SCIENCE, MANAGEMENT, LAW, MISCELLANEOUS; MASS SPECTROMETERS; COMPUTER CODES; FINITE DIFFERENCE METHOD; COMPUTER-AIDED DESIGN; OPERATION; COMPARATIVE EVALUATIONS; COMPUTERIZED SIMULATION

Citation Formats

Wilson, R, Goren, Y, and Lally, P. Particle-in-cell plasma simulation code for ion trap mass spectrometer. United States: N. p., 1996. Web.
Wilson, R, Goren, Y, & Lally, P. Particle-in-cell plasma simulation code for ion trap mass spectrometer. United States.
Wilson, R, Goren, Y, and Lally, P. Tue . "Particle-in-cell plasma simulation code for ion trap mass spectrometer". United States.
@article{osti_419674,
title = {Particle-in-cell plasma simulation code for ion trap mass spectrometer},
author = {Wilson, R and Goren, Y and Lally, P},
abstractNote = {The authors developed a Particle-In-Cell (PIC) finite difference simulation code as a numerical tool for designing Quadrupole Ion Trap Mass Spectrometers. The code is capable of tracing the motion of various heavy ion species in the background of a light neutral gas, like He, in a complicated quadrupole trap geometry. Moreover, the code can describe the ions nonlinear dynamic under multi-frequency and polarity rf signals and in particular under the Filtered Noise Field (FNF). In this mode of operation a low voltage rf noise with a specific narrow band removed by a notch filter is injected between the end caps of the ion trap together with the high voltage rf signal across the trap. This results in an enhancement of the mass spectrometer sensitivity by selecting and concentrating a specific ion species. Various modes of operation as well as various geometries of the ion trap will be presented and compared with experimental results.},
doi = {},
url = {https://www.osti.gov/biblio/419674}, journal = {},
issn = {0730-9244},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {12}
}

Conference:
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