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A Multichannel TEA N2 Laser for Visualizing Pulsed Plasma in the Nanosecond Range

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Abstract

The choice of a UV nanosecond TEA N2 laser (λ = 337 nm, τl ∼ 3 ns) for the multiframe probing of a dense pulsed plasma is justified and the influence of elements of its structure on the lasing efficiency is considered. The parameters of laser radiation were studied under various conditions of the formation of a space discharge and the methods for increasing the energy deposition were analyzed. Based on an optimized design of the laser module, a multichannel light source with a simple design has been built that allows all the channels to be triggered from a common spark gap and ensures the flexible changing of pulse delays within a range of t = 1–100 ns.

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Authors and Affiliations

  1. Moscow Engineering Physics Institute (State University), Kashirskoe sh. 31, Moscow, 115409, Russia

    M. S. Averin, O. A. Bashutin, E. D. Vovchenko, D. E. Prokhorovich, A. S. Savjolov & S. A. Savjolov

  2. Research Center of Laser Fusion, Academy of Engineering Physics of China, Manyan, 621900, China

    Li San Wei

Authors
  1. M. S. Averin
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  2. O. A. Bashutin
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  3. E. D. Vovchenko
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  4. Li San Wei
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  5. D. E. Prokhorovich
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  6. A. S. Savjolov
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  7. S. A. Savjolov
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Averin, M.S., Bashutin, O.A., Vovchenko, E.D. et al. A Multichannel TEA N2 Laser for Visualizing Pulsed Plasma in the Nanosecond Range. Instruments and Experimental Techniques 47, 209–213 (2004). https://doi.org/10.1023/B:INET.0000025203.58307.dc

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  • DOI: https://doi.org/10.1023/B:INET.0000025203.58307.dc

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