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The relationship between visible light emission and species fraction of the hydrogen ion beams extracted from 2.45 GHz microwave discharge

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Cortázar, O. D., Megía-Macías, A., Tarvainen, O., Kalvas, T., & Koivisto, H. (2015). The relationship between visible light emission and species fraction of the hydrogen ion beams extracted from 2.45 GHz microwave discharge. Review of Scientific Instruments, 86(8), Article 083309. https://doi.org/10.1063/1.4928475
Published in
Review of Scientific Instruments
Authors
Cortázar, O. D. |
Megía-Macías, A. |
Tarvainen, Olli |
Kalvas, Taneli |
Koivisto, Hannu
Date
2015
Discipline
KiihdytinlaboratorioAccelerator Laboratory
Copyright
© 2015 AIP Publishing LLC. Published in this repository with the kind permission of the publisher.

 
The relationship between Balmer-α and Fulcher-band emissions with extracted H + , H + 2 , and H + 3 ions is demonstrated for a 2.45 GHz microwave discharge. Ion mass spectra and optical measurements of Balmer-α and Fulcher-band emissions have been obtained with a Wien Filter having an optical viewport on the plasma chamber axis. The beam of approximately 1 mA is analyzed for different plasma conditions simultaneously with the measurement of light emissions both with temporal resolution. The use of visible light emissions as a valuable diagnostic tool for monitoring the species fraction of the extracted beams is proposed.
Publisher
American Institute of Physics
ISSN Search the Publication Forum
0034-6748
Keywords
ion beams plasma sources visible light ion sources elektrodit
DOI
https://doi.org/10.1063/1.4928475
URI

http://urn.fi/URN:NBN:fi:jyu-201601201179

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/24911796

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