Emission characteristics of Xe–RbBr plasma

Abstract

Abstract The luminescence spectra of the longitudinal pulsed-periodic discharge in Xe–RbBr gas–vapour mixtures at low pressures are experimentally studied. Conditions for obtaining strong UV radiation of XeBr * exiplex molecules in the spectral range of 200–425 nm are found. The greatest output of the XeBr * UV radiation is provided at temperature of the gas-discharge tube walls of ~1000 K. The maximum UV emission power of the whole plasma volume is 4.8 W. Formation of XeBr * exciplex molecules in the pulsed-periodic discharge in Xe–RbBr gas–vapour mixtures at low pressures is discussed.

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