Emission properties of an atmospheric-pressure helium plasma jet generated by a barrier discharge |
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| Authors: | A N Korbut V A Kelman Yu V Zhmenyak M S Klenovskii |
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| Institution: | 1. Institute of Electron Physics, National Academy of Sciences of Ukraine, Uzhgorod, 88017, Ukraine
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| Abstract: | The emission properties of an atmospheric-pressure helium plasma jet generated by a barrier discharge in a capillary blown with helium are studied. The spectral composition of the radiation of the studied plasma jet and the spatial-spectral distribution of its intensity are investigated in detail. It is shown that the emission spectrum of the generated plasma jet outside the capillary consists mainly of electronic-vibrational transitions of the first negative system of ionized nitrogen molecules N 2 + (B 2Σ u + → X 2Σ g + ) and the second positive system of neutral nitrogen molecules N2(C 3Π u → B 3Π g ). |
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