Abstract
The parameters of discharge and laser radiation in an Ne—Xe—NF3 mixture excited by a double discharge from a generator with an inductive energy storage and a current interrupter based on semiconductor SOS diodes are studied. It is shown that a high-voltage prepulse formed by a generator with inductive energy storage increases considerably the stability and duration of volume discharge in mixtures with NF3, and also increases the emission energy and pulse duration of laser radiation at the B—X transition of XeF* molecules. In the case of spark preionisation, radiation pulses with a total duration of up to 200 ns and the full width at half-maximum up to 100 ns are obtained. The maximum output energy of an XeF laser (λ = 348, 351 and 353 nm) was 0.5 J for the electric efficiency up to 1.6%.
Published Version
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