Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4705433
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Funding
- Natural Science Foundation of Liaoning Province of China [201102028]
- Fundamental Research Funds for the Central Universities
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A pulse-modulated nonequilibrium atmospheric-pressure microwave argon surface wave plasma is generated by means of a preionization discharge with a single-electrode plasma jet driven by a power supply of 50 kHz. It is found that the electron induced Saha-like balance dominates excitation process in the plasma discharge through the electron temperature varying with the microwave input power and the applied voltage of kilohertz power supply. The microwave pulse-modulating effect on nonequilibrium characteristics of dual-frequency exciting argon surface wave plasma is studied by spectroscopic measurement of the excitation temperature and gas temperature. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4705433]
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