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Dielectric-Barrier-Discharge Excilamp in Mixtures of Krypton and Molecular Chlorine

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3 Author(s)
Bouabdallah Rahmani ; Electron. Dept., Mohamed Boudiaf Univ. of Sci. & Technol. of Oran, Oran ; Sounil Bhosle ; Georges Zissis

Results are presented from the experimental studies of KrCl* excilamp excited by pulsed discharge. The oscillograms of the applied voltage, total current, displaced charge, output irradiance, and discharge power are presented. The spectral and energy characteristics of a dielectric-barrier-discharge excilamp in mixtures of krypton and chlorine gas, which emit spectrum in the range 200-300 nm, are presented. The optimum composition and the total pressure of the mixture are determined. The radiation spectrum contains the band of the B-X transition of the KrCl* (222 nm) and the band of the D'-A' transition of the Cl2* (257.8 nm) molecules. A UV irradiance of up to 36 mW/cm2 and an efficiency of 4.5% are realized.

Published in:

IEEE Transactions on Plasma Science  (Volume:37 ,  Issue: 4 )