Spectral and energy parameters of multiband barrier-discharge KrBr excilamps

S. M. Avdeev, M. V. Erofeev, V. S. Skakun, E. A. Sosnin, A. I. Suslov, V. F. Tarasenko, D. V. Schitz

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The spectral and energy characteristics of multiband barrier-discharge coaxial KrBr excilamps are studied experimentally at pressures from a few tens of Torr to 0.4 atm. It is shown that an increase in the Br2 concentration reduces the emission intensity of KrBr* molecules with respect to the emission intensity of Br2* molecules and reduces the total emission power of the excilamp. This can be explained by the nonradiative decay of exciplex KrBr* molecules caused by their quenching by molecular bromine. The emission power and efficiency in the Kr : Br 2 = 400 : 1 mixture at a pressure of ∼ 230 Torr and a discharge gap of 8.5 mm were 4.8 W and 2.4 %, respectively.

Original languageEnglish
Pages (from-to)702-706
Number of pages5
JournalQuantum Electronics
Volume38
Issue number7
DOIs
Publication statusPublished - Jul 2008

Fingerprint

Molecules
Bromine
molecules
energy
Quenching
bromine
quenching
decay

Keywords

  • Br*
  • Excilamp
  • KrBr*
  • Ultraviolet emission

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Statistical and Nonlinear Physics

Cite this

Avdeev, S. M., Erofeev, M. V., Skakun, V. S., Sosnin, E. A., Suslov, A. I., Tarasenko, V. F., & Schitz, D. V. (2008). Spectral and energy parameters of multiband barrier-discharge KrBr excilamps. Quantum Electronics, 38(7), 702-706. https://doi.org/10.1070/QE2008v038n07ABEH013600

Spectral and energy parameters of multiband barrier-discharge KrBr excilamps. / Avdeev, S. M.; Erofeev, M. V.; Skakun, V. S.; Sosnin, E. A.; Suslov, A. I.; Tarasenko, V. F.; Schitz, D. V.

In: Quantum Electronics, Vol. 38, No. 7, 07.2008, p. 702-706.

Research output: Contribution to journalArticle

Avdeev, SM, Erofeev, MV, Skakun, VS, Sosnin, EA, Suslov, AI, Tarasenko, VF & Schitz, DV 2008, 'Spectral and energy parameters of multiband barrier-discharge KrBr excilamps', Quantum Electronics, vol. 38, no. 7, pp. 702-706. https://doi.org/10.1070/QE2008v038n07ABEH013600
Avdeev, S. M. ; Erofeev, M. V. ; Skakun, V. S. ; Sosnin, E. A. ; Suslov, A. I. ; Tarasenko, V. F. ; Schitz, D. V. / Spectral and energy parameters of multiband barrier-discharge KrBr excilamps. In: Quantum Electronics. 2008 ; Vol. 38, No. 7. pp. 702-706.
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AU - Suslov, A. I.

AU - Tarasenko, V. F.

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AB - The spectral and energy characteristics of multiband barrier-discharge coaxial KrBr excilamps are studied experimentally at pressures from a few tens of Torr to 0.4 atm. It is shown that an increase in the Br2 concentration reduces the emission intensity of KrBr* molecules with respect to the emission intensity of Br2* molecules and reduces the total emission power of the excilamp. This can be explained by the nonradiative decay of exciplex KrBr* molecules caused by their quenching by molecular bromine. The emission power and efficiency in the Kr : Br 2 = 400 : 1 mixture at a pressure of ∼ 230 Torr and a discharge gap of 8.5 mm were 4.8 W and 2.4 %, respectively.

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