Emission of cyan upon excitation of nitrogen, air, and N 2-CH 4 mixture by discharge pulses in an inhomogeneous electric field

M. V. Erofeev, M. I. Lomaev, D. A. Sorokin, V. F. Tarasenko

Research output: Contribution to journalArticle

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Abstract

We have studied spectral and amplitude-time characteristics of the emission by nitrogen, air, and the N 2-CH 4 mixture upon excitation by nanosecond and microsecond high-voltage discharge pulses in an inhomogeneous electric field in the pressure range of 0.01-3 atm. In the pulsed and pulse-periodic discharge regimes, we have observed emission bands of the violet system of cyan, the transition B 2Σ + → X 2Σ +, which were comparable in intensity with bands of the (2 +) system of nitrogen. We show that, in the pulsed regime, the highest intensity of the violet system of cyan is observed in the N 2-CH 4 mixture. We show that, in the pulse-periodic discharge in nitrogen with a small amount of a carbon-containing admixture, upon contracting the discharge, the efficiencies of formation and emission of the violet system of cyan considerably increase. We confirm that admixtures of oxygen to nitrogen lead to suppression of the emission of the violet system of cyan molecules.

Original languageEnglish
Pages (from-to)36-43
Number of pages8
JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume112
Issue number1
DOIs
Publication statusPublished - Jan 2012

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Nitrogen
Electric fields
methylidyne
nitrogen
electric fields
air
Air
pulses
admixtures
excitation
high voltages
Carbon
retarding
Oxygen
Molecules
carbon
Electric potential
oxygen
molecules

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

Emission of cyan upon excitation of nitrogen, air, and N 2-CH 4 mixture by discharge pulses in an inhomogeneous electric field. / Erofeev, M. V.; Lomaev, M. I.; Sorokin, D. A.; Tarasenko, V. F.

In: Optics and Spectroscopy (English translation of Optika i Spektroskopiya), Vol. 112, No. 1, 01.2012, p. 36-43.

Research output: Contribution to journalArticle

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N2 - We have studied spectral and amplitude-time characteristics of the emission by nitrogen, air, and the N 2-CH 4 mixture upon excitation by nanosecond and microsecond high-voltage discharge pulses in an inhomogeneous electric field in the pressure range of 0.01-3 atm. In the pulsed and pulse-periodic discharge regimes, we have observed emission bands of the violet system of cyan, the transition B 2Σ + → X 2Σ +, which were comparable in intensity with bands of the (2 +) system of nitrogen. We show that, in the pulsed regime, the highest intensity of the violet system of cyan is observed in the N 2-CH 4 mixture. We show that, in the pulse-periodic discharge in nitrogen with a small amount of a carbon-containing admixture, upon contracting the discharge, the efficiencies of formation and emission of the violet system of cyan considerably increase. We confirm that admixtures of oxygen to nitrogen lead to suppression of the emission of the violet system of cyan molecules.

AB - We have studied spectral and amplitude-time characteristics of the emission by nitrogen, air, and the N 2-CH 4 mixture upon excitation by nanosecond and microsecond high-voltage discharge pulses in an inhomogeneous electric field in the pressure range of 0.01-3 atm. In the pulsed and pulse-periodic discharge regimes, we have observed emission bands of the violet system of cyan, the transition B 2Σ + → X 2Σ +, which were comparable in intensity with bands of the (2 +) system of nitrogen. We show that, in the pulsed regime, the highest intensity of the violet system of cyan is observed in the N 2-CH 4 mixture. We show that, in the pulse-periodic discharge in nitrogen with a small amount of a carbon-containing admixture, upon contracting the discharge, the efficiencies of formation and emission of the violet system of cyan considerably increase. We confirm that admixtures of oxygen to nitrogen lead to suppression of the emission of the violet system of cyan molecules.

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