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About Losses in Pumping Generators of High-Power Electrodischarge Excimer Lasers

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Energy losses in pumping systems of discharge high-power lasers are investigated. To estimate the losses, the discharge circuit operation was modeled, and its calculation was performed using the program PSpice. Results of measurements and calculations demonstrate that the resistance of a rail gap with electric field distortion exceeds several times the resistance of a single-channel gap without field distortion. A difference in the resistances is explained by different mechanisms of discharge burning: in the first case diffusion mechanism and in the second case the spark mechanism. The low efficiency of the high-power excimer lasers (~1%) is explained by high energy losses in the rail gap that reach more than 50% of the initially stored energy.

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Authors and Affiliations

  1. High-Current Electronics Institute of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    N. G. Ivanov & V. F. Losev

  2. National Research Tomsk Polytechnic University, Tomsk, Russia

    V. F. Losev

Authors
  1. N. G. Ivanov
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  2. V. F. Losev
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Corresponding authors

Correspondence to N. G. Ivanov or V. F. Losev.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 43–48, December, 2014.

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Ivanov, N.G., Losev, V.F. About Losses in Pumping Generators of High-Power Electrodischarge Excimer Lasers. Russ Phys J 57, 1662–1668 (2015). https://doi.org/10.1007/s11182-015-0435-7

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  • DOI: https://doi.org/10.1007/s11182-015-0435-7

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