On self-focusing of microsecond pulsed TEA-CO2 laser radiation in plasmas induced on metallic targets in vacuum

I. Ursua, I. Apostol, Al Hening, I. N. Mihǎ, M. Stoica, J. S. Bakos, I. B. Földes, Zs Sörlei

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Abstract

Self-focusing of TEA-CO2 laser radiation seems to be a plausible explanation for the superunity values of the ratio between the vapour - and plasma- transmitted energy density and the incident energy density, that are evidenced by observations at copper targets' irradiation. The experimental results, which are described in comparison with those obtained for aluminium targets, are discussed in terms of the predictions of the main physical mechanisms involved in self-focusing initiation.

Original languageEnglish
Pages (from-to)379-385
Number of pages7
JournalPhysica B+C
Volume123
Issue number3
DOIs
Publication statusPublished - Feb 1984

ASJC Scopus subject areas

  • Engineering(all)

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    Ursua, I., Apostol, I., Hening, A., Mihǎ, I. N., Stoica, M., Bakos, J. S., Földes, I. B., & Sörlei, Z. (1984). On self-focusing of microsecond pulsed TEA-CO2 laser radiation in plasmas induced on metallic targets in vacuum. Physica B+C, 123(3), 379-385. https://doi.org/10.1016/0378-4363(84)90113-X