The effect of UV preionization in a discharge-excited high power nitrogen laser is presented. A maximum energy of 7.7 mJ in a 4.7 ns pulse is reported for the case of a N2/He mixture. An increase of the output energy by 65% with the addition of SF6, an electron quencher, is also observed.
"Characteristics Of An Ultraviolet Preionized High Power Nitrogen Laser," Optical Engineering 25(9), 251055 (1 September 1986). https://doi.org/10.1117/12.7973953