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Measurements of the gas-kinetic pressure in plasma flows emerging from a micropinch discharge by means of laser interferometry

  • Diagnostics of Pulsed Systems
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Abstract

A new method for measuring the gas-kinetic pressure in pulsed plasma flows is developed in which an acoustic line in the form of a thin rod built in the optical scheme of a laser interferometer is used as a detector. The time evolution of the gas-kinetic pressure in particle flows emerging from a micropinch discharge (a low-inductance vacuum spark) was studied. Due to the wide dynamic range of the method (∼105), it can be applied in various plasma devices with a wide range of parameters.

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Authors and Affiliations

  1. National Research Nuclear University “MEPHI,”, Kashirskoe sh. 31, Moscow, 115409, Russia

    A. P. Kuznetsov, O. A. Byalkovskii, K. L. Gubskii, G. I. Kozin, E. D. Protsenko, E. I. Dodulad & A. S. Savjolov

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  1. A. P. Kuznetsov
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  2. O. A. Byalkovskii
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  3. K. L. Gubskii
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  4. G. I. Kozin
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  5. E. D. Protsenko
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  6. E. I. Dodulad
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  7. A. S. Savjolov
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Correspondence to A. P. Kuznetsov.

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Original Russian Text © A.P. Kuznetsov, O.A. Byalkovskii, K.L. Gubskii, G.I. Kozin, E.D. Protsenko, E.I. Dodulad, A.S. Savjolov, 2014, published in Fizika Plazmy, 2014, Vol. 40, No. 4, pp. 359–367.

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Kuznetsov, A.P., Byalkovskii, O.A., Gubskii, K.L. et al. Measurements of the gas-kinetic pressure in plasma flows emerging from a micropinch discharge by means of laser interferometry. Plasma Phys. Rep. 40, 290–297 (2014). https://doi.org/10.1134/S1063780X14040047

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  • DOI: https://doi.org/10.1134/S1063780X14040047

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