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A long-pulse high-energy CO2laser pumped by an ultraviolet-sustained electric discharge

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4 Author(s)
Lind, R.C. ; Hughes Research Laboratories, Malibu, CA, USA ; Wada, J. ; Dunning, G.J. ; Clark, W.M.

A UV-sustained electric-discharge CO2laser has demonstrated optical energy-density extraction and long-pulse performance competitive with currente-beam sustained devices. Atmospheric-pressure CO2-N2-He mixtures seeded with tri-n-propylamine are volumetrically photoionized using the 1200-1700-Å radiation from a spark-array source. Laser pulse lengths up to 37 μs have been achieved with a specific energy of 47 J/1.atm. The best specific energy demonstrated was 60 J/1.atm in a 23-μs pulse.

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Quantum Electronics, IEEE Journal of  (Volume:10 ,  Issue: 10 )