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- Title
Short-wavelength XeBr-Br gas discharge lamp.
- Authors
Shuaibov, A. K.; Grabovaya, I. A.
- Abstract
The output characteristics of a small-size gas-discharge lamp emitting in the 160–300 nm wavelength range are reported. The working medium—a mixture of xenon and bromine vapor—was excited in a longitudinal glow discharge in a quartz tube with an interelectrode distance of 100 mm. The emission spectrum is formed by the molecular lines of xenon bromide at 282 nm [XeBr(B-X)] and 220 nm [XeBr(D-X)] and the atomic resonance lines of bromine at 163.3 and 157.6 nm. An increase in the partial pressure of xenon in the working mixture from 130 to 800 Pa is accompanied by a decrease in the intensity of emission lines due to atomic bromine and an increase in the intensity of emission from xenon bromide molecules. The operation regime was optimized with respect to the energy supplied to the glow discharge and the working gas mixture pressure and composition. The optimum partial pressure of xenon is within 600–800 Pa, and that of bromine vapor, within 50–100 Pa. The average total VUV-UV output radiation power reached 7 W.
- Subjects
GLOW discharges; XENON lamps; BROMINE compounds; LAMPS; WAVELENGTHS; XENON
- Publication
Technical Physics Letters, 2007, Vol 33, Issue 5, p447
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785007050264