A source of powerful nanosecond pulses of vacuum ultraviolet radiation based on a high-current volume discharge in xenon
Baryshnikov V. I. 1, Paperny V. L. 2
1Irkutsk State Transport University, Irkutsk, Russia
2Irkutsk State University, Irkutsk, Russia
Email: paperny@math.isu.runnet.ru
A radiation source in the wavelength range from <70 to 400 nm with a pulse duration of ~ 1 ns and a power of 350 MW based on a high-voltage volume discharge in xenon at a pressure of 2 atm is proposed. The discharge with a duration of ~ 1 ns with a current of ~ 50 kA, a voltage of 100 kV, and a pulse repetition rate of 0.1-2.0 Hz was excited in a low-inductance discharge chamber by injecting a plasma jet of an auxiliary low-power volume discharge in xenon (110 kV, 5 kA, 250 ps), which in turn was initiated by applying a voltage pulse to the discharge gap from a small-sized picosecond Tesla generator. Keywords: nanosecond high-voltage discharge, VUV-UV radiation spectrum, picosecond Tesla pulser, sapphire luminescence.
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