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Asymmetry of spontaneous helium radiation in retarded excitation in an electric discharge

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Abstract

The dynamics of formation of optical radiation in spectral lines in a longitudinal nanosecond helium discharge under conditions of wave breakdown is investigated. A discharge tube with a diameter of 0.4 cm and a length of 50 cm was placed in a metallic shield 1 cm in diameter. The gas pressure was varied within 1–60 torr for an amplitude of the voltage pulses of up to 50 kV. Asymmetry of spontaneous radiation recorded from different ends of the discharge tube is detected. This is shown to be a consequence of nonuniform distribution of the functions of the primary brightness of the flux and the absorption coefficient along the tube length.

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Authors
  1. N. A. Ashurbekov
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  2. N. O. Omarova
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Additional information

Dagestan State University, 43a, M. Gadzhiev Str., Makhachkala, 367025, Russia. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 66, No. 3, pp. 415–420, May–June, 1999.

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Ashurbekov, N.A., Omarova, N.O. Asymmetry of spontaneous helium radiation in retarded excitation in an electric discharge. J Appl Spectrosc 66, 449–454 (1999). https://doi.org/10.1007/BF02676780

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  • DOI: https://doi.org/10.1007/BF02676780

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