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Monitor for displaying real-time images of low energy ion beams
Author(s) -
R. T. Short,
Casey C. Grimm,
Peter J. Todd
Publication year - 1991
Publication title -
journal of the american society for mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.961
H-Index - 127
eISSN - 1879-1123
pISSN - 1044-0305
DOI - 10.1016/1044-0305(91)80048-c
Subject(s) - oak ridge national laboratory , chemistry , ion , ion beam , aperture (computer memory) , beam (structure) , microchannel plate detector , mass spectrometry , ridge , energy (signal processing) , quadrupole , cross section (physics) , optics , nuclear physics , atomic physics , detector , physics , geology , paleontology , organic chemistry , chromatography , quantum mechanics , acoustics
Analytical Chemistry Division. Oak Ridge National Laboratory. Oak Ridge, Tennessee, USA A monitor that provides real-time images of low energy (< 50 eV) ion beams has been designed, constructed, and tested. The cross-sectional image of the beam at the entrance aperture of the monitor is magnified by a factor of 6.5 and displayed on a CRT, following current amplification by using a dual microchannel plate assembly. The monitor provides unambiguous information regarding the cross section of any low energy ion beam. Anplication in the design and testing of quadrupole-based mass spectrometers is emphasized.

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