Mode transition in radio-frequency atmospheric argon discharges with and without dielectric barriers
- Department of Electronic and Electrical Engineering, Loughborough University, Loughborough, Leicestershire LE11 3TU (United Kingdom)
In this letter, basic characteristics of glow modes and their mode transition are studied for radio-frequency (rf) atmospheric argon discharges with bare and dielectrically insulated electrodes. Through input power control, large-volume rf atmospheric argon discharges with bare electrodes are achieved in the {alpha} mode via an abrupt transition from a constricted {gamma} mode, whereas dielectrically insulated electrodes result in large argon discharges in both the {alpha} and {gamma} modes with gradual mode transition. Current dependence of the 750 nm line intensity and of the gas temperature are shown to capture clearly the signature of mode transition.
- OSTI ID:
- 20971861
- Journal Information:
- Applied Physics Letters, Vol. 90, Issue 10; Other Information: DOI: 10.1063/1.2711413; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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