Long-lived plasmoids generated by surface laser sparks in combustible gas mixtures |
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| Authors: | I. A. Kossyĭ V. P. Silakov N. M. Tarasova D. Van Wie |
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| Affiliation: | (1) Prokhorov Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia;(2) Johns Hopkins University, Laurel, MD, USA |
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| Abstract: | Results are presented from experimental studies of laser sparks generated at the surface of a metal target in a chemically active (combustible) gas mixture. It is shown that microplasmoids produced on the target surface penetrate into the ambient gas and initiate its combustion. The lifetime of microplasmoids is found to be anomalously long, up to 1–1.5 ms, which substantially exceeds their lifetime in a chemically inactive medium. |
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