Specific features of radiation from a negative air corona operating in the Trichel-pulse mode

Experimental studies of spatiotemporal characteristics of radiation from a negative corona operating in the Trichel-pulse mode in the point-to-sphere electrode geometry have revealed two emission zones. In addition to the well-known glow near the point electrode, there is also an anode glow, whose i...

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Bibliographic Details
Published in:Plasma physics reports 2008-10, Vol.34 (10), p.879-884
Main Authors: Karas’, V. I., Golota, V. I., Bolotov, O. V., Kadolin, B. B., Kudin, D. V.
Format: Article
Language:English
Subjects:
AIR
ANODES
Atomic
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRIC DISCHARGES
ELECTRODES
EMISSION SPECTRA
FLUIDS
GASES
GLOW DISCHARGES
Low-Temperature Plasma
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
PULSES
SPECTRA
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Summary:Experimental studies of spatiotemporal characteristics of radiation from a negative corona operating in the Trichel-pulse mode in the point-to-sphere electrode geometry have revealed two emission zones. In addition to the well-known glow near the point electrode, there is also an anode glow, whose intensity depends substantially on the shape of the anode. It is found that the anode glow is delayed with respect to the beginning of the Trichel pulse by a time that depends on the gap length and gap voltage. The emission spectrum of the anode glow in the wavelength range 300–400 nm is identified as the spectrum of the second positive system of nitrogen (the C 3 Π u - B 3 Π g transition).
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X08100097