Abstract
The dynamics of discharge formation in a two-barrier XeBr excilamp is studied. It is found that the maximal voltage drop across the lamp and the breakdown voltage of the discharge gap vary with time nonmonotonically upon switching on. This indicates that the discharge goes through several stages before it reaches the steady state. An increase in the lamp capacitance prior to secondary breakdown at the contracted stage of the discharge suggests the formation of a region with a high residual conductivity in the gas-discharge space after primary discharge. It is shown that the use of a keep-alive discharge prevents the arc stage when the excilamp is switched on.
Published Version
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