A 10 cm aperture, high quality TEA CO2 laser

G.J. Ernst

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Experiments have been performed on a corona preionization type 10 cm aperture TEA CO2 laser. For a CO2:N2:He=1: 1: 7: mixture an output energy of 34 joule per liter and for a 1 : 1 : 10 mixture 40 joule per liter could be obtained. The overall efficiency is about 18%. The time behaviour of the current and voltage of the system shows a delay of several hundreds of nanoseconds after the preionization peak, which indicates a relatively low initial electron-density level. Neverthe less, it proved to be high enough to obtain a very homogeneous discharge and reproducible output energy.
Original languageUndefined
Pages (from-to)125-129
JournalOptics communications
Issue number2
Publication statusPublished - 1982


  • IR-69018

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