High average power phototriggered XeCl lasers have been built. The conditions for high repetition rate operation have been studied. An average power of 1200 W for XeCl and 460 W for DF has been obtained. Intrinsic efficiencies were close or higher than 5%.
Bernard Lacour, Bernard Lacour,
"High-average-power phototriggered gas lasers", Proc. SPIE 3403, International Conference on Atomic and Molecular Pulsed Lasers II, (29 June 1998); doi: 10.1117/12.311967; https://doi.org/10.1117/12.311967